题目内容

—Is Jack on duty today? —It ______ be him. It is his turn tomorrow.
A．mustn’t B．won’t C．can’t D．needn’t
C
情态动词表示推测,肯定性推测用must,否定性推测要用can’t.
练习册系列答案
相关题目
–Must I finish my homework tonight?
-No, you______.
A．Can’tB．Mustn’tC．needn’tD．may not

—Have you decided when to leave for Australia?
—Not yet. We _________ set off at the end of this month.
A．mustB．shouldC．needD．may
Mr Black   be at home because she called me from England just now.
A．mustn'tB．isn't able toC．can'tD．may not
--Can I play computer now?  --No, you ______. You _____do your homework first.
A．can; canB．can’t; mustC．can’t; canD．must; can
You _______move to the next room. You may still stay here if you like.
A. must　　            B. needn’t 　　　          C. can’t
_Could I go to the movie this Sunday, Dad?
_ Yes, you_____. But you ______ come back before nine.
A．should, canB．must ,have to
C．can , have toD．need, must
—   willyoufinishdoingthework?
—In a fewweeks.
A．HowlongB．How farC．How soonD．How often
Susan’s parents have bought a large house with a swimming pool.
It      be very expensive.
A．mustB．canC．mustn’tD．can’t

违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com

精英家教网