35. ---I hear you went to Hainan for your holiday last winter.

---Yes. That was the third time that I ____ there.

A. was　　　　 B. have been　　　　　 C. am　　　　　 D. had been

34. With so many noises from the streets, I can’t ____ to doing my research work.

A. feel down　　　 B. turn down　　　　 C. settle down　　　　 D. set down

33. ---Are you ready to leave?

　 ---Almost. I’m leaving as soon as I ____ my homework.

A. give up　　　 B. get through　　　　 C. go through　　　　 D. set down