LÀM BÀI: EXERCISE 31.2
Vui lòng đăng nhập và đăng ký (miễn phí) khoá học (EG1) English Grammar 1 để nộp bài và xem kết quả.
Write I must or I had to.
1.
walk home last night. There were no buses.
2.
It's late. go now.
3.
I don't usually work on Saturdays, but last Saturday work.
4.
get up early tomorrow. I have a lot to do.
5.
I came here by train. The train was full and stand all the way.
6.
I was nearly late for my appointment this morning. run to get there on time.
7.
I forgot to phone David yesterday. phone him later today.
