选择填空1.----Must I finish all the work before I leave?---No,yo

选择填空
1.----Must I finish all the work before I leave?
---No,you ____.
A.don't B.can't C.mustn't D.needn't
2.---May I come back after 11 p.m.
---No,you ____.
A.don't B.won't C.mustn't D.may not
3.You ____ be quiet when you are in a library.
A.may B.can C.will D.must
4.You ____ say it in English.
A.can B.will C.could D.must