(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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—We ______ hurry－there’s plenty of time. —So we can have a coffee nearby.
#62366
A
mustn’t
B
wouldn’t
C
can’t
D
don’t have to
Lifting off at sunrise, the hot air balloon goes wherever the wind blow.
#63659
A
may
B
must
C
need
D
should
—Is Mr. Green in the office?—No, he ________ be in the office. Look, the light in the office is off.
#78340
A
mustn’t
B
can’t
C
needn’t
D
may not