问题

Textbooks___to come in time. [ ]
A: require
B: are required
C: required
D: are requiring
B: are required
C: required
D: are requiring
正确答案是:
同类题型
I’ve just read a copy of newspaper about the new cartoon.
Please to your class that there will be no school tomorrow.[ ]
The audience ______ when they heard the humorous story.
_______you and Mike brothers—–No, I_______his cousin.
Just on the first day of the summer day they _____ for Mount Tai for a climbing.