问题

You should try____a little junk food every day.
A:had to
B:must
C:should
D:must to;
B:must
C:should
D:must to;
正确答案是:
同类题型
Either you or I going to the teacher’s office after class.
I’ll give you my telephone number ____ you might want to get in touch with me again
This is the first time that I have seen you in this neighbourhood! — I ________ here only last week
Our English teacher ______ teaching, so he wants to change his work.