45.___ I know he will stay here for half a year.

A. as soon as　　 　　　　 B. as long as　　　　 　 C. so far as　　　　　 D. as well as

44. We can surely overcome these difficulties _,___ we are closely united.

A. so far as　　　　 　　 B. so long as　　　 　　 C. as soon as　　　　 　 D. as well as

43.___ difficult the task may be, we must fulfil it this month.

A. No matter how B. No matter what　　　 C. No matter when　 D. No matter where

42.___you understand this rule, you will have no further difficulty.

　 　 A. Once　　　 　　　　　 B. At once　　　　　 　 C. Only　　　　　　 　 D. Only then

41.____ you work, you must always serve the people heart and soul.

A. Wherever　　 　　　　　 B. Whenever　　　　 　 C. Where　　　　　 　　 D. When

40.I’ll discuss it with you ____ you like to come.　

A. when　　 　 　　　　　　　 B. where　 　　　　　　　　 C. whoever　 　　　　　　　 D. whenever

39.____ makes mistakes must correct them.　　　　　　　 A. Who　 B. What　 C. Whoever　 D. Whatever

38. You are certainly right,____ others may say.　　　　 A. what　 B. whatever　 C. that　　 D. as

37. We must do ____ the people want us to do..

A. whatever　　 　　　　 B. however　　　　 　 C. wherever　　　　 　　 D. whenever

36. It rained heavily,____ the basketball match had to be put off.

A. so that　　　 　　　　 B. when　　　　　 　　　 C. otherwise　　　　 D. therefore