1 Look at the photos. When were these products invented?

(Nhìn vào những bức ảnh. Những sản phẩm này được phát minh khi nào?)

2 Read the sentences below and choose the best option.

(Đọc các câu dưới đây và chọn phương án tốt nhất.)

1 The Internet/TV became popular during the 1980s and 1990s and gained its popularity until today.

2 While working on the experiments/ patents, Thomas Edison found out the material that could serve as a long-lasting filament.

3 When the first smart TV came out, people realized was a combination of a TV and a computer/mobile phone. 

4 As soon as the first smart phone was released for purchase in 1994/1984, everyone was surprised at what it could do.

5 I think the popularity of land phones/ mobile phones will continue until the end of this century.

3 Choose the correct option. Then change the information to make the sentences true for you. 

(Chọn phương án đúng. Sau đó, thay đổi thông tin để làm cho các câu đúng với bạn.)

1 We listened to the teacher during / for the French lesson. 

2 When/During I was in secondary school, I wanted to become an accomplished marine biologist. 

3 As soon as/While my father graduated from high school, he became an environmental activist and a conservationist.

4 My professor and his associates will continue their careers as linguists until/after they retire.

4 402.10 USE OF ENGLISH Read the text. Choose the correct answer. Then listen and check.

(SỬ DỤNG TIẾNG ANH Đọc văn bản. Chọn câu trả lời đúng. Sau đó lắng nghe và kiểm tra.)

KATHERINE JOHNSON

1"When Katherine Johnson was a child, she was a Maths genius. 2_____she was only 14, she went to university to study Maths. 3_____ she was studying at university, her Maths professor told her she should become a mathematician. 4_______she graduated from university, she became a teacher, 5________ the 1940s she got married and had children. She didn't become a research mathematician 6________ she was 35. She got a job as a 'computer' with NASA. Katherine was different from other 'computers'-7_______ she I was at NASA, she asked a lot of questions. 8________ Katherine Johnson started work at NASA, only men went to important meetings. She changed that!

1 A When     B Before   C During

2 A While     B When    C Until

3 A During   B While     C After

4 A Before   B While     C As soon as

5 A Till        B During   C While

6 A until      B by         C during

7 A during   B while     C after

8 A Before   B During   C As soon as

5 Complete the sentences. Write five true sentences and one false.

(Hoàn thành các câu. Viết năm câu đúng và một câu sai.)

1 While I was going home yesterday, I 

2 As soon as I got home, I..

3 During the evening, I...

4 I didn't go to bed until..

5 I was fast asleep by …..

6 When...