28.　 _____, Carolina couldn’t get the door open.

　　 A. Try as she might　　　　　　　　 B. As she might try

　　 C. She might as try　　　　　　　　 D. Might she as try

27.　 So absorbed _____ in her work that she didn’t realize I was behind her.

　　 A. did she　　　　 B. was she　　　 C. she did　　　　 D. she was

26.　 _____, we would go on a picnic.

　　 A. The weather is fine　　　　　　　 B. Should the weather be fine

　　 C. The weather be fine　　　　　　　 D. Would the weather be fine

25.　 _____ time, he’ll make a first-class tennis player.

　　 A. Having given　　 B. To give　　　 C. Giving　　　　 D. Given

24.　 Little Jenny won’t take the bitter medicine even if _____.

　　 A. making to do　　 B. is made to　　 C. made to　　　 D. making to

23.　 The murderer was brought in, with his hands _____ behind his back.

　　 A. being tied　　　 B. having tied　 C. to be tied　　　 D. tied

22.　 We saw many students playing on the playground, most of them _____ girls.

　　 A. are　　　　　　 B. being　　　　 C. were　　　　　 D. have been

21.　 He must have finished his homework for a long time, _____ he?

　　 A. mustn’t　　　　 B. didn’t　　　　 C. needn’t　　　　 D. hasn’t

20.　 We can see the blue sky and the shining sun. There is no possibility _____ it will rain or snow today.

　　 A. which　　　　 B. where　　　　 C. that　　　　　 D. whether

19.　 Leaders of many countries have been trying to _____ what it is that makes China develop so fast.

　　 A. carry out　　　 B. figure out　　 C. break out　　　 D. watch out