1. Mr. and Mrs. Smith are so excited today，for they bought ______ yesterday.

　　A. many furnitures B. so many furniture

　　C. quite a few furniture D. a lot of furniture

　　2. ______ have traveled in space-ships already.

　　A. Women astronauts B. Women astronaut

　　C. Woman astronauts D. Woman astronaut

　　3. ______ have come up with the solutions to the problem.

　　A. The boy student B. The boys student

　　C. The boy students D. The boys students

　　4. Li Ying has three ______.

　　A. brother-in-law B. brothers-in-law

　　C. brothers-in-laws D. brother-in-laws

　　5. If you are frightened, tell one of ______.

　　A. the grown-up B. the grown-ups

　　C. the up-growns D. the up-grown