Bài tập 1: Chia động từ trong ngoặc.
1. I can't go on (work)....working..... here any more. I want a different job.
2. Someone must have taken my bag. I clearly remember (leave)....leaving.... it by the window and now it has gone.
3. A: You lent me some money a few month ago.
B: Did I? Are you sue? I don't remember (borrow)...borrowing.... you any money
4. Please rememver (lock)......to lock....... the door when you go out.
5. When I came into the room, Liz was reading a newspaper. She looked up and said hello, and then went on (read) ....to read...... her newspaper.
6. I believe that what I said was fair. I don't regret (say)..saying.. it.
7. I knew they were in trouble, but I regret (do) ....doing..... nothing to help them.