第一部分：单项选择（共15小题，每小题1分，满分15分）
1. It was in the village you were going to pay a visit to a strange thing happened.
A. 不填; that B. where; that C. 不填; where D. that; which
2.The policeman put down the phone , _______ with a smile on his face.
A. satisfied B. satisfying C. to be satisfied D. having satisfied
3. In order not to be disturbed, I spent three hours ____ in my study.
A. locking B. locked C. to lock D. being locked
