帮我讲解以下题目:
1.The teacher hasn't made us stay at the
school hall.(改为被动语态）
2.You _______ my favourite book since a month ago.You'd beeter______it to me as soon as
possible.
A.borrowed;lend B.have borrowed;return
C.kept;lend D.have kept;return
3.Our new Ehglish books _____ out.
A.have come B.are come C.have came
4.When he _____ home yersterday,his frinds
were already there waiting for him.
A.got to B.arrived C.reached to D.returned
back
5.---I'm sorry to have kept you waiting long.
---Never mind.I_____here for a onlya few
minutes.
A.have been B.have come C.have arrived
D.waited

1. We hasn't been made to stay at the school hall by the teacher.
2. D keep是可以延续的动作，而borrow不行
3.A come out出版，物被动
4. B got 和reach后面不用介词，return和back重复了
5. A be 课可延续，come和arrive都不可延续。