Everyone ______ be polite to the old people.
#76484
A
may
B
should
C
can
D
could
推荐题目
When I was a child，I ________ watch TV whenever I wanted to. (2013·江西，29)
#62296
A
should
B
could
C
must
D
need
The new law says that people_______ drive after drinking wine.
#75594
A
wouldn't
B
needn't
C
won't
D
mustn't
- Shall I tell Shirley the good news?-No, you________. I’ve told her already.
#77370
A
can’t
B
shouldn’t
C
mustn’t
D
needn’t