1: My brother could swim when he..........ten years old (be)
2; She ........hard but she can't open the box (try)
3;It's easy..........my school.It's opposite the Central Bank (find)
4; This computer is the best one I (ever/use)..........
5; This is the first time he (visit).........Quang Tri
6; I don't know how (answer)........your questions
7;Keep quiet ! You (always/talk)..........in class
8; This house (not/use)...........for a long time
Giúp mk nhanh nha mn !!!!
