1.He doesn't know _________.
A.what should he wear
B.what to wear
C.what he should wears
2.---Kate has a large circle of good friends.
---____,and____
A.So she does ,so do you
B.So she has ,so have you
3.There was something wrong with Tom's bike ,so he ___yesterday.
A.have it repair
B.had it repaired
都选哪个啊?