You buy a gift, but you can if you want to.
A. must
B. mustn't
C. have to
D. don't have to
第1题:
35.—Mr Wang,must I come again on Sunday morning to clean the windows?
—No,you _________.I have asked others to do it.
A. don’t have to
B. mustn’ t
C. can’t
D. shouldn't
第2题:
-Mayweleavetheclassroomnow?
-No,you______.You______toleaveuntilthebellrings.
A.mustn’t,areallowed
B.don’thaveto,aresupposed
C.needn’t,aren’tallowed
D.can’t,aren’tsupposed
第3题:
A.Must; needn’t
B.Can; can’t
C.May; mustn’t
D.Can; mustn’t
第4题:
9. _______you _______ stay at home today?
A. Do ; have to
B. Must; have to
C. Have; to
D. Do ; must
第5题:
A.mustn't
B.can't
C.needn't
第6题:
I put my coat here? Sorry, you()
AMay; mustn't
BDo; don't
Ccan; needn't
DMay; can't