15. We find（ ） more desirable （ ）the controlling instrument should be put close to the machine . A. it…that B. it…what C. it…how D. it…which ...

14. We all think （ ）our duty to help those who cannot support their children's education. A. it B. its C. that D. which ...

8. （ ）my opinion, there should be fewer examinations once students enter university. A. To B. At C. In D. For ...

1. It wasn’t an accident. He did it on （ ）. A. reason B. determination C. purpose D. intention ...

21. Mobile telecommunications’（ ）is expected to double in Shanghai this year as a result of a contract signed between the two companies. A. capability B. potential C. impact D. capacity ...

12. In the advanced course students must take performance tests at monthly （ ） A. gaps B. intervals C. length D. distance ...

3. It’s now exactly half past seven.（ ）, the doctor has been here for two hours. A. In other words B. In another word C. On the other hand D. What‘s more ...

23. He（ ）out of the window for a moment and then went on working. A. glanced B. viewed C. glimpsed D. saw ...

14. He moved away from his parents and missed them（ ）enjoy the exciting life in New York. A. enough to B. too much to C. very much to D. much so as to ...

7. He neither drinks, smokes,（ ）eats meat A. not B. or C. nor D. or not ...