问题

You ______ be polite to the old man.
A:should
B:can’t
C:might
D:mustn’t
B:can’t
C:might
D:mustn’t
正确答案是:
同类题型
This fashion show in our school was so ________ that we heard ________ shouts everywhere.
My brother_______ getting up early on weekdays.
____ has your grandpa lived here? –Since last year.
What were you doing when you heard Malaysian airlines flight lost?—I my homework.
When do you have your English class?—________ the morning. [ ]