30. The thief ___ when he was stealing a wallet from a woman.

A. happened to notice 　　　　　　 　　　 B. was taken place to notice

C.　　　 was happened to be noticed　 　　　 D. happened to be noticed

29. I was about to do my homework ________ the doorbell rang.

　 A. while　　　　　 B. as　　　　　 　 　C. then　　　 　　　 D. when

28. I’m ____ willing to help you with your English study.

　　　 A. more or less　　　 B. more and more　 C. more than　 　　 D. no more than

27. While driving into the city, he didn’t notice the road sign that _____ “ Turn left.” 　 A. read　　　　　 　　　 B. was read　　　 C. reads　　　　 D. is read

26. Once new difficulties _____ in our study, we should learn to use our brains to solve them.

A. rise　　 　　　　　　 B. arised 　　　　　　 　C. raise　 　　　　　 D. arise　

25. My bike______. I have looked for it everywhere but still 　　it.

　 A. is missing; haven't found　　　 　　　　 B. is missing; don't find

　 C. has lost; haven't found　　 　　　　　　　 D. is lost; don't find

24. To make herself _____, she raised her voice.

A.　　 heard 　　　　　　 B. to be heard 　　　 　C. to hear 　　　　　 D. hear

23. You are required to write ____ so that we can see it clearly.

A.　　 every other lines B. each other line 　C. another each line 　 D. every other line

22. There was a time ______ I hated to go to school.

A. what　　 　　　　　 B. which　 　　　　　 　C. when　　 　　　 D. that

21. Here is the dictionary, ______ help you will learn better.

A.　　 with whose　　　 B. with its 　　　　　　 　C. under whose 　 D. whose