IV.
1.at 2. of 3. on 4. at 5.for 6. in 7.in 8.at
V.
1.will celebrate 2.will decorate
3. wil make 4. will cook
5. will buy 6. will hang
7. will clean 8. will visit
9. will give 10. will go
VI.
1. shall 2. must 3.would 4.can 5.must 6.shouldn't 7.shouldn't 8.should 9. should
NHỚ ĐÁNH GIÁ CHO TUI NHA, IU CẬU