----- Nội dung dịch tự động từ ảnh -----
4. Make questions for the underlined parts. (Đặt câu hỏi cho
phần gạch chân.)
1. They were watching TV.
What were they watching?
2. He was writing a letter.
3. Nick was singing at 2 o'clock yesterday.
4. Pat was playing basketball.
5. She was helping her brother.
6. They were training in the gym.
7. The cat was sleeping under the table.
8. Liz was sweeping the floor.
9. Ben was reading a new novel.