As students, we ________ study hard to make our country more beautiful and stronger.
#77520
A
should
B
may
C
can
D
could
推荐题目
---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
The warm-hearted neighbor take care of the little girl when her parents were on business, and they appreciated it very much.
#63387
A
should
B
could
C
would
D
might
The public transportation is very convenient in that big city , so there______be any difficulty in traveling around .
#63333
A
mustn’t
B
wouldn’t
C
shouldn’t
D
needn’t
—Mary broke up with me! —You____ have forgotten about the Valentine's Day.
#63262
A
shouldn't
B
couldn't
C
needn't
D
mustn't
To be honest, I would rather my dog out, which made so many troubles.
#63239
A
not had let
B
I had not le
C
not let
D
not have let
