(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
推荐题目
— Must I finish my homework now?— No, you ________. You can go home now.
#74417
A
needn’t
B
mustn’t
C
shouldn’t
D
can’t
A good rest between classes ________ recover brain power to its best and make us perform better in class later.
#62727
A
must
B
can
C
need
D
shall
Sorry, I’m late. I ____ have turned off the alarm clock and gone back to sleep again.
#62678
A
might
B
should
C
can
D
Will
—I heard they went skiing in the mountains last winter. —It true because there was little snow there.
#62253
A
may be not
B
won’t be
C
couldn’t be
D
mustn’t be
There's enough time for you to go to the airport.You hurry now.
#75817
A
should
B
needn't
C
must
D
can't