单项选择1.mr.wang ___ be in nanjing now ; he went to beijing onl

单项选择
1.mr.wang ___ be in nanjing now ; he went to beijing only this morning .
A.mustn't B.may not C.can't D.needn't
2.must i stay at home ,mum
no ,you ___.
A.needn't B.mustn't C.don't D.may not
3.you ___ books out of the library .you have to read them here .
A.can't take B.must be taken C.can take D.mustn't be taken
4.even the top students in our class can't work out this problem .so it ___ be very difficult .
A.can B.may C.must D.need
5.it's still carly .you ___ .
A.mustn't hurry B.wouldn't hurry C.may not hurry D.don't have to hurry