【育路網溫馨提示您】本文特意整理了名詞性從句主語從句：主語從句，表語從句，賓語從句練習題。希望各位考生認真去學習本試題，希望對大家有所幫助
 

1. we will do next is still under discussion.

A. That

B. When

C. Where

D. What

2. was once regarded as impossible has now become a reality.

A. That

B. Which

C. Who

D. What

3. _______ books you borrow from the library should be returned in two weeks’ time.

A. Whatever

B. Which

C. No matter what

D. What

4. she will be given this job is still under discussion.

A. Although

B. Whether

C. If

D. What

5. He found at last ______ he had been looking for.

A. that

B. what

C. where

D. which