Complete the sentences. Write five true sentences and one false. (Hoàn thành các câu. Viết 5 câu đúng và 1 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 …

Read the text. Choose the correct answer. Then listen and check. (Đọc văn bản. Chọn câu trả lời đúng. Sau đó lắng nghe và kiểm tra.)

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

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

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.

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

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