Chủ đề:
Luyện tập tổng hợpCâu hỏi:
1:I ( not , see) him for month . How is he.
2: the thieves ( already, spend ) the money when the police ( catch ) them
3: Listen!I (think) someone ( knock) at the door
4 : while he ( run) for a bus , he ( collide) with a lamp post