Walking alone in the quiet town, Helen thought she _____ have invited John to en

题型：上海模拟题难度：来源：

Walking alone in the quiet town, Helen thought she _____ have invited John to enjoy the peace together. [ ]
A. can"t
B. needn"t
C. should
D. might

答案

举一反三

— May I smoke here, Smith?
— If you _______, choose a seat in the smoking section.  [     ]
A. should
B. could
C. must
D. may

题型：上海模拟题难度：| 查看答案

You _____ pay too much attention to your assignment, for it is ever so important. [     ]
A. mustn"t
B. can"t
C. needn"t
D. oughtn"t to

题型：四川省月考题难度：| 查看答案

If you _____ go, at least wait until the storm is over.  [     ]
A. can
B. may
C. must
D. will

题型：广西自治区期中题难度：| 查看答案

It ______ be the postman at the door. It"s only six o"clock.         [     ]
A. mustn"t
B. can"t
C. won"t
D. needn"t

题型：广西自治区期中题难度：| 查看答案

Although there are no classes in the afternoon now, no student ______ go out of school without
the head teacher"s permission.   [     ]
A. will
B. must
C. may
D. shall

题型：黑龙江省期中题难度：| 查看答案