điền từ vào chỗ trống với quá khứ đơn hoặc quá khứ tiếp diễn
1. he...........(phone) me to say they would be late
2. ....................(she / know) they ..................... ( come) to the party ?
3.the children ...............................(make) so much noise that I ....................(not/hear) the phone ring
4. what time .............(she/arrive) last night?
5. I ................(not/like) to disturb her because she...........(study)