问题
_____ in the library regulations that any book borrowed be returned by due time, or the borrower will be fined．
A:What is required
B:It is required
C:As is required
D:Which is required
B:It is required
C:As is required
D:Which is required
正确答案是：
同类题型
We are leaving on June 15. —So why not come to spend _____ days with us? I’m serious.
living in ______ world of developing,______ world where any problemcan be solved in a peaceful way
Will you go to the party tomorrow， Xiao Hai？ —No, ____ I was invited to.
I did not give offence to you ___________—Forget it Let’s make up