Ⅰ. 单句语法填空
1. The whole theory is based on a wrong assumption(assume), so it is not practical.
2. I have corresponded (correspond )with him for some years, but I have never met him in the flesh.
3. He hesitated before going forward and addressed (address)the public.
4. Without bothering (bother)to think to a conclusion, he jumped to a conclusion.
5. The scientist abandoned (abandon)his research for lack of fund.
6. I’m just calling to confirm your appointment (appoint)tomorrow at 3: 00 pm.
7. The purpose of this first step is to clarify (clarify)the nature and importance of the problem.
8. She gained her qualification (qualify)for the Olympic Gymnastic Competition.
9. She is acknowledged (acknowledge)to be the best singer.
10. He claimed (claim)that the same drug is also effective in treating headaches.