1. He is cooking.
2. She is reading book.
3. She is playing computer.
4. He is watching TV.

Dịch đề : Bạn đã làm những việc này khi nào? Viết câu.
giải :
1. I cooked in the morning, noon and evening.
2. I read the book before going to sleep.
3. I played computer before going to school.
4. I watched TV before going to have dinner.
2 bài trên giải sai rồi khổng hiểu đề => sai