C. he's gone D. was he

28. Do you know ________

A. how many populations there are in the world

B. how much population there is in the world

C. how many the population of the world is

D. what the population of the world is

29. Would you go and see ________ outside

A. what to take place B. what Tom has happened

C. what is happening D. what the matter had been

30. The subject of "What is interesting is that I do not even know him." is_______.

A. what B. interesting C. What is interesting D. I

31.________ I think he is Charles.

A. Who do you think he is

B. Do you think who he is

C. Whom do you think he is

D. Do you think who he is

32. He didn't know which room ________.

A. they lived B. they lived in

C. did they live D. did they live in

33. The little boy ate ________ his mother gave him.

A. that B. which C. whatever D. no matter what

34. The city is no longer ________.

A. what it is B. that it used to be C. which it was D. what it used to be

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

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

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

A. If...do B. That...do

C. If...does D. That...does

37.________ was the idea _______ the wife thought of

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

38._______ did he tell his wife ________ he wished to do

A. That...what B. What...that C. Where...which D. Which...where

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

A. what that B. that what

C. that which D. which that

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

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

41."Do you know ________ " "His father is a doctor."

A. what is his father B. who is his father

C. what his father is D. who his father is

42. Is this ________ we met each other two years ago

A. place B. place in which C. where D. place which

43. It ________ Bob drives badly.

A. thinks that B. is thought what C. thought that D. is thought that