英语语法名词性从句练习题

1. They lost their way in the forest, and _______ made matters worse was that night began to fall.

A. it B. which

C. that D. what

2. Patience is a kind of quality and that is ______ it takes to do anything well.

A. what B. which

C. which D. how

3. It has come to my notice _______ some of you have missed classes.

A. what B. which

C. that D. when

4. What were you trying to prove to the police? ___ I was last night.

A. That B. When

C. Where D. What

5. Country life gives him peace and quiet, which is ______ he cant enjoy while living in big cities.

A. that B. why

C. where D. what

6. It is pretty well understood _______ controls the flow of carbon dioxide in and out the atmosphere today.

A. that B. when

C. what D. how

7. _______ she couldnt understand was ______ fewer and fewer students showed interest in her lessons.