You __________ buy a gift, but you can if you want to.
#63027
A
must
B
mustn’t
C
have to
D
don’t have to
推荐题目
Someone is knocking at the door. It my sister. It's time for her to be back.
#75649
A
can’t be
B
may not be
C
must be
D
mustn’t be
One of our rules is that every student wear school uniform while at school.
#63108
A
shall
B
might
C
will
D
could
This basketball team had lots of excellent players, so its fans never expected that it ____ have failed in the final.
#62653
A
must
B
might
C
should
D
need
His work _____ have been completed; otherwise, he wouldn’t be enjoying himself on the beach.
#63043
A
should
B
shouldn’t
C
can’t
D
must