(2013·湖南高考)He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
#62396
A
wouldn't
B
shouldn't
C
couldn't
D
mustn't
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My grandfather us stories when I was young.
#77240
A
was used to tell
B
is used to telling
C
used to tell
D
used to telling
— There'ssomeone knocking on the door. Who _____it be?— It must be Mary. She promised to be here at 8：00.
#62863
A
must
B
need
C
shall
D
Can
—Look! That man looks like Mr．Brown．—It ________ be him, for I know he is at home．
#74860
A
mustn’t
B
can’t
C
shouldn’t
D
needn’t