小勇士们，对于名词的概念和用法掌握的怎么样了?下面的小测验，帮助你查漏补缺，快来做做吧!

1. Apple is a __ word.

A. five-letter B. five-letters C. fives-letters D. five letters

2. All the __ in the hospital got a rise yesterday.

A. women doctors B. woman doctors

C. women doctor D. woman doctor

3. After ten years, all those youngsters became __

A. growns-up B. growns-up C. grown-up D. grown-ups

4. The police investigated the __ about the bank robbery.

A. stander-by B. standers-by C. stander-bys D. standers-by

5. She used to have three __ .

A. boys friends B. boys friend C. boy friends D. boy friend

6. The committee __ been arguing about the economic problems among themsselves for many hours.

A. have B. has C. could have D. can have

7. Seventy percent __ illiterate in that area.

A. is B. are C. is to be D. can have

8. His trousers __ in his suitcase.

A. is always kept B. are kept always

C. are always kept D. have always been

9. The young couple bought __ for their living room.

A. some new furniture B. some new furnitures

C. many new furniture D. many new furnitures

10. Mathematics __ easy to learn.

A. is B. are C. can D. feels

Keys：D A D B C A B C A A