35. Look, dark clouds are coming. It is 　　　　to rain soon.

A. probably B. possibly C. likely D. perhaps

34.　 -Sorry, I have to 　　　　now. It’s time for class.

-OK, I’ll call back later.

A. give up　 B. hang up C. break up　 D. hold up

33. If it 　　　　tomorrow, we would stay at home.

A. were to rain B. rains C. would rain D. will rain

32. I still remember the time 　　　　we spent together in the spring.

A. when B. that C. during which　 D. at which

31. Whenever he makes a promise, he will 　　　　it.

A. relate　 B. insist C. carry D. keep