(2014·济南市名校第四次诊断性测试)—Is the letter from your mother?—Yes.But she ________the letter herself，because she doesn’t even know one word.
#62194
A
needn’t have written
B
can’t have written
C
might not have written
D
should not have written
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When we were young, every evening my brother and I ______ stay at home waiting for our mother.
#63641
A
would
B
might
C
should
D
could
---I think Miss Lin must be in the library. She said she would go there.---No, she __________be there. I have just been there.
#76652
A
can’t
B
mustn’t
C
needn’t
D
wouldn’t
Just because Tom has made some mistakes, _____you follow that he is a bad boy?
#63232
A
must
B
can
C
should
D
would