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If you have finished most of the work, you ______ start working so early tomorrow.
#77689
A
can’t
B
mustn’t
C
couldn’t
D
needn’t
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--Look! The girl passing by must be a newcomer!---No, she _______ be a newcomer. I’m sure it is at least one year since she came to live here.
#63226
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shouldn’t
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oughtn’t
---I think her dress comes from the 1970s.---It _______be from that time. The dress looks so modern.
#75011
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mustn’t
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---I want to know if I can smoke here?---No, you _________. Could you see the sign “NO SMOKING” there? 
#75545
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needn’t
B
couldn’t
C
won’t
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mustn’t
Trees ____ fight air pollution.They are natural air conditioners.
#78302
A
should
B
must
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need
D
can
—Would you like to watch the 2014 Nanjing Youth Olympic Games this summer holiday?—I’d love to. I believe it ________ be fun.
#74172
A
can
B
can’t
C
must’t
D
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