Conditional types 1 and 2 (Câu điều kiện loại 1 và 2)

1. Choose the correct answer. (Chọn đáp án đúng.)

1. If I were him, I _____ installing an electric charging station at home.

A. consider                  B. would consider       C. will consider           D. considered

2. Unless you _____ your energy waste, you won't reduce your carbon footprint.

A. will limit                B. would limit             C. limit                        D. limited

3. They will avoid creating emissions if they _____ using tidal power.

A. start                        B. started                     C. would start              D. will start

4. We would reduce our dependence on imported fuels if we _____ more in green energy.

A. invested                  B. will invested           C. would invest           D. invest

5. If the government builds more turbines, we _____ to harness the power of the wind to produce more clean energy.

A. are able                  B. would be able         C. were able to            D. will be able

6. If Josh _____ an electric car, he would replace his petrol one.

A. can afford               B. would afford           C. could afford            D. will afford

2. Choose the option (A, B, C or D) to indicate the underlined part that needs correction.

(Chọn đáp án (A, B, C hoặc D) để chỉ ra phần gạch chân cần sửa lại.)

1. Jake and Marrie’s home would be (A) more environmentally friendly if (B) they install solar panels on (C) their (D) roof this year.

2. Global warming will get worse unless (A) we stopped (B) depending on (C) fossil fuels for producing (D) energy.

3. If (A) we didn’t reduce (B) water wastage soon, we will (C) have to deal with (D) water shortages.

4. The soil would become (A) more polluted if (B) people continue (C) to use harmful chemicals in (D) farming.

5. Overloaded landfills wouldn’t be (A) such an issue unless (B) people used (C) fewer disposable items and recycled (D) more.

Conditional type 3 (Câu điều kiện loại 3)

3. Put the verbs in brackets into the correct forms of the third conditional.

(Chia động từ trong ngoặc ở dạng đúng của câu điều kiện loại 3.)

1. The country _____ (not/ need) to rely on fossil fuels so heavily last year if the government had invested in the green energy sector.

2. You would have paid much less for energy last year if you _____ (switch) to LED light bulbs.

3. If I _____ (have) time, I would have attended the green energy convention last weekend.

4. The soil here would have become polluted if local farmers _____ (not/stop) using so many chemicals.

5. We _____ (be) able to harness the sun's energy if we had purchased solar panels last summer. 

4. Write the second sentence so that it has the same meaning as the first one, using the word in brackets.

(Viết câu thứ hai sao cho giống nghĩa với câu thứ nhất, dùng từ trong ngoặc.)

1. The city didn't build a wind farm last year, so the population didn't have access to green energy. (HAD)

If _________________________.

2. There was pollution in the lake because the town didn't improve its waste water treatment plant. (WOULDN'T)

There _________________________.

3. You conserved electricity last month, and your energy bill was lower as a result. (HADN'T)

Your _________________________.

4. The power station produced so many emissions because it burned too much coal. (HAVE)

The _________________________.

5. Choose the option (A, B, C or D) to indicate the sentence that is closest in meaning to the sentence given.

(Chọn đáp án (A, B, C hoặc D) để chỉ ra câu có nghĩa gần nhất với câu cho trước.)

1. The green energy project wasn't well-funded, so it took a long time to complete.

A. If the green energy project had been well-funded, it wouldn't have taken a long time to complete.

B. If the green energy project hadn't been well funded, it would have taken a long time to complete.

C. The green energy project would not take a long time to complete if it was well-funded.

D. The green energy project will not take a long time to complete if it is well-funded.

2. The country invested in tidal power and became a leader in green energy production.

A. If the country didn't invest in tidal power, it wouldn't become a leader in green energy production.

B. If the country had invested in tidal power, it could have become a leader in green energy production.

C. The country wouldn't have become a leader in green energy production if it hadn't invested in tidal power.

D. If the country had become a leader in green energy production, it could have invested in tidal power.

3. There weren't strict laws about emissions in the past, so global warming became a major problem.

A. Global warming would have become a major problem if there hadn't been strict laws about emissions in the past.

B. If there was strict laws about emissions in the past, global warming wouldn't become a major problem.

C. If global warming hadn't become a major problem, there would have been strict laws about emissions in the past.

D. Global warming wouldn't have become a major problem if there had been strict laws about emissions in the past.

4. Greg can't take his plastic waste to the recycling centre because he is so busy now.

A. If Greg isn't so busy, he can take his plastic waste to the recycling centre.

B. Greg could have taken his plastic waste to the recycling centre if he hadn't been so busy.

C. If Greg wasn't so busy, he could take his plastic waste to the recycling centre.

D. If Greg could take his plastic waste to the recycling centre, he wasn't so busy.

5. Plastic pollution harmed thousands of marine animals last year because lots of tourists left their rubbish on the beach.

A. If lots of tourists hadn't left their rubbish on the beach, plastic pollution wouldn't have harmed thousands of marine animals last year.

B. If lots of tourists left their rubbish on the beach, plastic pollution would harm thousands of marine animals last year.

C. Plastic pollution would have harmed thousands of marine animals last year if lots of tourists had left their rubbish on the beach.

D. Plastic pollution wouldn't have harmed thousands of marine animals last year if lots of tourists didn't leave their rubbish on the beach.