Viết lại câu cho phù hợp
III, Present Prefect
1, Mary has paid the pill
2, i have eater a hamburger
3, we have cycled five miles
4, i have opend the present
5, they have not read the book
6, you have not sent the parcel
7, we have got agreed to this issue
8, the have not caught the thieves
9, has she phoned him?
10, have they noticed us?