1.It's half past ten now.It's time (B)go to bed.

1.It's half past ten now.It's time (B)go to bed.
A.to you B.for you to
为什么选B不选A?麻烦列举一下理由、
2.—（B）does your father usually go to work?
— He usually goes to work by car.
A.How often B.How
为什么要选B?说详细点哈、
3.They often（C）football at school.
A.playing a B.play the C.play
- -、
4.Where are my pants?I can't find(A).
A.them B.it