4. You can't imagine how excited were they when they received these nice Christmas presents.

3.What the boy didn't take medicine made his mother angry.　　　　　　

2. All what is hard is to do good all one's life and never do anything bad.　

1. It’s uncertain that the experiment is worth doing.　

40. I have no idea _____ or not he has finished the work.

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

39.One of the men held the view _____ the book said was right.

. what that　　　　　 　　　 B. that what 　　　　　　　　 C. that which 　　　　　　　 D. which that

38. We think it possible _____ the local government will be able to solve the housing problem.

A. for 　　　　　　　　　 B. that 　　　　　　 C. when 　　D. how

37._____ was the idea _____ the wife thought of?

A. What...that 　　　　　　 B. That...what 　　　　 C. How...why 　　 D. Why...how

36._____ we go swimming every day _____ us a lot of good.

A. If...do 　　　　　　　 B. That...do 　　　　　　　　 C. If...does 　　　　　 D. That...does

35. My parents used _____ they had to get a new car for me.

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