Often he________sit for hours doing nothing at all when he was in low spirits.[

题型：同步题难度：来源：

Often he________sit for hours doing nothing at all when he was in low spirits.[ ]
A．should
B．would
C．could
D．might

答案

举一反三

Why ________ you disturb me while I am absorbed in my lessons?[      ]
A. must
B. can
C. may
B. should

题型：模拟题难度：| 查看答案

You ________ drive forward when the traffic light is red. [     ]
A. shouldn"t
B. can"t
C. mustn"t
D. may not

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No child under 12 is allowed to go to the lake alone；any walk close to the lake________by a parent.[     ]
A．must be accompanied
B．must accompany
C．can be accompanied
D．should accompany

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—Could I use your computer to type a letter?
—You _____ have my computer if you don’t take good care of it.[     ]
A. shall not
B. might not
C. needn’t
D. shouldn’t

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— Oh my god! You ______ wear slippers to attend the conference.
— I"m sorry I forgot there is a conference. [ ]
A. must
B. can
C. should
D. shall

题型：模拟题难度：| 查看答案