35. He was about to get on the bus 　　　he saw his mother waving towards him.

A. unless　 　B. when　 　C. before　 　D. while

34. –Come quickly　 here, 　　you will miss the chance to meet your idol.

–Coming.

A. and　 　B. but　 　C. so 　　D. otherwise

33. –Why did he not 　　　in the basketball match held yesterday?

–It is said that he has his leg hurt.

A. succeed 　B. result　 　C. get　 　D. participate

32. With his mother　　 him, he is getting along well with his work.

A. help 　B. to help　 　C. helping 　D. helps

31. He was quite　　 of how dangerous the whole situation was,but he had no choice but to take a risk.

A. accurate　 B. ashamed　 C. accustomed　 D. aware

30. The tall building is　　 in the lake,aroud which there are many trees.

A. reflected　 B. laid　 C. kept　 D. stood