The room is in a terrible mess, it _____ have been cleaned. [     ]A. can"t B. m

The room is in a terrible mess, it _____ have been cleaned. [     ]A. can"t B. m

题型:浙江省模拟题难度:来源:
The room is in a terrible mess, it _____ have been cleaned. [     ]
A. can"t
B. mustn"t
C. shouldn"t
D. wouldn"t
答案
A
举一反三
For the engine to work, the green button _____ be in the "on" position. [     ]
A. can
B. would
C. must
D. might
题型:北京期末题难度:| 查看答案
Sometimes we _____ be busy shopping in a supermarket, for it"s more convenient to purchase online nowadays. [     ]
A. needn"t
B. mustn"t
C. shouldn"t
D. can"t
题型:四川省模拟题难度:| 查看答案
— Is Jack on duty today?
— It ____ be him; it"s his turn tomorrow. [     ]
A. mustn"t
B. won"t
C. can"t
D. needn"t
题型:黑龙江省模拟题难度:| 查看答案
In fact you ____ outside by taxi. My car was here. [     ]
A. couldn"t go
B. mustn"t have gone
C. needn"t have gone
D. needn"t go
题型:河北省期末题难度:| 查看答案
Some young people these days just ____ go out of their homes to contact the real world. [     ]
A. mustn"t
B. won"t
C. mightn"t
D. shouldn"t
题型:上海高考真题难度:| 查看答案
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