Everyone ______ be polite to the old people.
#76484
A
may
B
should
C
can
D
could
推荐题目
You ______ write the poem down. Our teacher will give us a copy.
#75235
A
can’t
B
shouldn’t
C
needn’t
D
mustn’t
She _____ your birthday party, but she had to look after her mother in hospital.
#63325
A
should attend
B
ought to have attended
C
can have attended
D
must have attended
Sometimes we have much homework to do, but not often. Anyway, it ______in time.
#76665
A
can finish
B
should finish
C
can be finished
D
should be finished