---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
You _________ to the meeting this afternoon if you have something important to do .
#76135
A
needn’t to come
B
don’t need come
C
don’t need coming
D
needn’t come
—Mother, I climbed up to that tall tree and picked this big apple. —Jesus! You______ down and hurt yourself.
#62619
A
might have fallen
B
might fall
C
must have fallen
D
must fall
Curious about the world around him, my son__ __ask me endless questions when he was young．
#63640
A
could
B
might
C
should
D
would