题目内容

We've ordered the reference books in Shanghai, but none of them () yet arrived.

A. has
B. have

查看答案
更多问题

Each of the problems () been fully discussed.

A. has
B. have

Either ( ) good enough for me.

A. is
B. are

Neither () to blame.

A. is
B. are

Both () correct.

A. is
B. are

答案查题题库