35. -You should have thanked her before you left.

　 -I meant ___, but when I was leaving I couldn’t find her anywhere.

　　 A. to do　　　　　 B. to　　　　 　　　　 C. doing　　　　　 　 D. doing so

34. In order not to be disturbed, I spent three days ___ in my study.

　 A. locking　　　　 　 B. locked　　　 　　　 C. to lock　　　　 　　 D. lock

33.The roof fell ____ he had time to rush into the house to save his baby.

　 A. as　　　　　　 　 B. after　　　　 　　　 C. until　　　　　 　 D. before

32.The young man, when _____ why he had broken the law, just looked at the policeman and said nothing.

　　 A. questioned　　 　 B. questioning　 　　　　 C. to question　　　 D. being questioned

31. Will you see to ____ that my children are taken good care of while I am away？

　　 A. them　　　　　 　 B. yourself　　　 　　 C. me　　　　　　 D. it

30.Where did you buy this dictionary? I found there were ____ dictionaries at all the bookshops in our town.

　　 A. no such　　　　 　 B. such no　　　　 　 C.　 not such a　　　 　　　　　　　　　　　　 D. no so