---I think Helen is at home.---No, she be at home, for she phoned me from the airport just five minutes ago.
#63132
A
mustn't
B
needn't
C
can't
D
dared not
推荐题目
The school rules state that no child _____ out of the school, unless accompanied by an adult.
#63402
A
shall allow
B
shall be allowed
C
will allow
D
will be allowed
—Guess what？I came first in that contest.—Great！You ________ a lot during the past two weeks.
#62488
A
must practise
B
should practise
C
should have practised
D
must have practised
—Do you know ? —I’m not sure, maybe he is an artist.
#77386
A
who is the man
B
what is the man
C
who the man is
D
what the man is
- Tom, where is your father?- I’m not sure. He _______ in his office.
#74723
A
must be
B
may be
C
maybe
D
need be