Đáp án:
Giải thích các bước giải:
1. The train always leaves on time.
2. "What is the matter with you? Why are you crying?
3. That's strange. They arent' watching TV.
4. He doesn't speak English very well.
5. Please be quite! I 'm doing my homework.
6. Listen! John is playing music!
7. I never go to the swimming pool.
8. George is not a Canadian. I believe she comes from France.
9. Iusually have lunch at home. But today I have lunch in the school cafeteria.
10. Harold Black is a famous pianist. He gives two or three concer every week.