1. He must be angry , for we heard the glass ( A ) on the floor .
A. being broken B. break C. to be broken D. broken
2. You can fly to the UK this morning ( B ) you don’t mind changing planes in Hong Kong .
A. because B. provided C. unless D. so far as
3. A cool rain was falling, ( A ) with snow .
A. mixed B. mixing C. to mix D. having mixed
（为什么不选B）
4. ( B ) the normal condition , he can type 150 words a minute .
A. Below B. Under C. With D. In
5. Tommy is a good boy, and ( C ) , he is honest. He never tells a lie .
A. at all B. in all C. above all D. after all
6. When a person’s voice ( D ) , he is speaking in a loud and deep way .
A. raises B. elevates C. improves D. booms
7. About how many elements ( C ) make up most of the substances we meet in everyday life ?
A. it is that B. it is which C. ia it that D. ia it which
8. Mr . Lee ( D ) me yesterday .
A. dropped in B. dropped on C. dropped D. dropped in on
9. ( C ) for the free tickets, I would not have gone to the films so ofter.
A. If it is not B. Were it not C. Had it not been D. If they were not
10. Let’s walk over ( B ) the sun to the other side of the street .
A. in B. to C. under D. by
11. This book gives a brief ( A ) of the history of the castle and details of the art collection in the main hall .
A. outline B. reference C. outlook D. research
12. ( C ) surely I would never have believed .
A. If I didn’t see B. Have I not see C. Had I not seen D. If I haven’t see
13. By no means ( D ) all Japanese people know their own culture well .
A. it is true that B. is it true that do
C. do light travels D. does light travel
答案都有了，我想知道原因，希望大家多多帮助~~真诚的感谢~~谢谢！