1.This room is ___ that one.

A. three times as larger as         B. three times the size of

C. three times large               D. three time as large as

2.The lost of machine was reduced by ____.

A. 20 percent                    B. 20th percent

C. percent 20                    D. percent th20

3.About ____ of the teachers in their school are women.

A. two-three                    B. two threes

C. two-thirds                    D. second-third

4.There are ____ students at the sports meeting.

A. tens of thousands of            B. five hundreds of

C. several hundred of             D. five thousands

5.This problem is too difficult for a ____ boy.

A. ten-years-old                 B. ten-year-old

C. ten-year old                  D. ten year-old

6. The meeting will be hold in ____.

A. 102 Room                   B. NO. 102 Room

C. Room 102nd                 D. Room 102

7. He finished university in ____.

A. twenty                      B. twenties

C. early twenties                D. his early twenties

8. He wrote ____ article on computer.

A. a 800-word                  B. 800-words

C. 800-word                   D. an 800-word