—Can you stay here for the party? —Sorry ,I _____I have to go to a meeting.

题型：同步题难度：来源：

—Can you stay here for the party?
—Sorry ,I _____I have to go to a meeting.

[ ]

A. can"t
B. mustn"t
C. needn"t
D. shouldn"t

答案

举一反三

—Look at the boy running on the ground. Is it David?
—It _____be him. I saw him go to the teacher"s office just now. [ ]

A. might
B. could
C. can"t
D. mustn"t

题型：同步题难度：| 查看答案

—May I smoke here?
—No , you _____. This is a no-smoking room.       [     ]
A. needn"t
B. couldn"t
C. mustn"t
D. won"t

题型：同步题难度：| 查看答案

—_____ you turn down your radio , please?
—Yes , I  can.        [     ]
A. May
B. Need
C. Must
D. Can

题型：同步题难度：| 查看答案

—Whose book is this?
—It ____ be Linda"s. It has her name on it. [ ]

A. can
B. may
C. must
D. need

题型：同步题难度：| 查看答案

If the traffic light is red,you _____cross the road.
It"s too dangerous. [ ]

A. don"t
B. needn"t
C. mustn"t
D. wouldn"t

题型：同步题难度：| 查看答案