—Listen! There is a knock on the door. Who _____ it be?—It must be Jack. Just

题型：同步题难度：来源：

—Listen! There is a knock on the door.  Who _____ it be?
—It must be Jack.  Just now I sent for him. [     ]
A. shall
B. can
C. must
D. might

答案

举一反三

Hannah ________me; otherwise, other students wouldn"t have known my result of the quiz.[     ]
A. may betray
B. must betray
C. must have betrayed
D. should betray

题型：湖南省期中题难度：| 查看答案

It is a pity that the winner of last season ___________ have lost at the beginning of the season.[     ]
A. could
B. should
C. might
D. must

题型：吉林省同步题难度：| 查看答案

My English-Chinese dictionary has disappeared. Who do you think ________ have taken it?[ ]
A. should
B. must
C. could
D. may

题型：天津市期中题难度：| 查看答案

Oh, it"s raining again. Why ______ it always rain on weekends? [ ]
A. can
B. may
C. must
D. should

题型：重庆市期中题难度：| 查看答案

They ________ have arrived at lunchtime but their flight was delayed. [     ]
A. will
B. can
C. must
D. should

题型：同步题难度：| 查看答案