问题

Everyone ______ be polite to the old people.
A:may
B:should
C:can
D:could
B:should
C:can
D:could
正确答案是:
同类题型
________is your notebook? —It’s green.
How do you usually come to school, by bus or by bike? –. I walk.
I will have the final exam(考试) next week.-I _____ you ________ good luck.
Is your aunt?-No. is very heavy(很胖).
How was your weekend? —Great! It was my grandfather’s _________ birthday. We enjoyed ourselves.