1.Where will they fly next mont ?
2.Who I should invite to your birthday party ?
3.What does Trung usually borrow?
4.How did you go to HCM city ?
5.How long have you seen her for?
Ex4
1 is more expensive than living Bac Giang
2.seen Peter for five months
3.most crowded in VietNam
4.there forty classrooms in Phong's school?
5. he runs five kilometres every year.
6. play football in the street.
