Exercise 3
1.brushed
2.was/was
3.paid
4.ate
5.didn't iron
6.lived
7.taught
8.studied
9.got
10.looked/was
Exercise 4
1. send/arrived
2.speaks/lived
3.didn't help/were
4.am making
5.will come
6.knows
7.took
8.reads/is reading
9.explained
10.understood
Exercise 5
1.where did they have lunch
2.what did he eat
3.Why did she have a toothache
4.When did you have breakfast
5.How often does Mai go to shop
Đánh giá m vs hjhj