28. The people at the party were worried about Betty because no was aware she had gone. A.the place B.of the place where C.of where D.where that 29.It seems the more we industrialize,the more pollution we produce. A.what B.which C.that D.when 30.He soon made why he had asked for a conference A.clear it B.that it clea C.itthat D.it clea 31. I'm not quite sure the rates will be for holiday camps this summer A.that B.what C.in which D.to what 32 Almost everyone likes to try new foods and drinks and to learn about -prepared A.they are how B.they are what C.what they are D.how they are he comes or not has nothing to do with us A.If B.What C.Whether D.Which 34.There is a saying thieves never prosper. A.what B.that C.which D.who 35.He asked them they needed any help. A.what B.which C.if D.to which 36. Then the doctors examined them and found A.what were they all in good health B.which they were all in good health C.that were they all in good health D.that they were all in good health 37. He was delighted at A.how efficient the airline had been B.how efficient had been the airline C.how had the airline been efficient D.how the airline had been efficient 38.Not one of us has aclear idea to do A.what do the others want B.which do the others want c that the others want D what the others want 39 He wonder A.how would be his wife's reaction B.what his wife's reaction would be C.what will be his wife's reaction D.what would his wife's reaction be 40. was to return to school. A.Which really interested him B.That really interested him C.What really interested him D.That interested him really "Well,here I am at last.""Good!I was worried be back on time.' A.that you wouldn't B.whether you wouldn't C.so you'd D.if that you'd all behavior is leamned behavior isa basic assumption of social scientists A.It is nearly B.It is nearly C.That nearly D.Nearly 43 "Well,here you are at last!I thought you'd never make it!"The reason we're so late28. The people at the party were worried about Betty because no was aware _ she had gone. A. the place B. of the place where C. of where D. where that 29. It seems _ the more we industrialize, the more pollution we produce. A. what B. which C. that D. when 30. He soon made _ why he had asked for a conference. A. clear it B. that it cleat C. it that D. it clear 31. I’m not quite sure _ the rates will be for holiday camps this summer. A. that B. what C. in which D. to what 32. Almost everyone likes to try new foods and drinks and to learn about _ prepared. A. they are how B. they are what C. what they are D. how they are 33. _ he comes or not has nothing to do with us. A. If B. What C. Whether D. Which 34. There is a saying _ thieves never prosper. A. what B. that C. which D. who 35. He asked them _ they needed any help. A. what B. which C. if D. to which 36. Then the doctors examined them and found _. A. what were they all in good health B. which they were all in good health C. that were they all in good health D. that they were all in good health 37. He was delighted at _. A. how efficient the airline had been B. how efficient had been the airline C. how had the airline been efficient D. how the airline had been efficient 38. Not one of us has a clear idea _ to do. A. what do the others want B. which do the others want C. that the others want D. what the others want 39. He wonder _. A. how would be his wife’s reaction B. what his wife’s reaction would be C. what will be his wife’s reaction D. what would his wife’s reaction be 40. _ was to return to school. A. Which really interested him B. That really interested him C. What really interested him D. That interested him really 41. “Well, here I am at last.” “Good! I was worried _ be back on time.” A. that you wouldn’t B. whether you wouldn’t C. so you’d D. if that you’d 42. _ all behavior is learned behavior is a basic assumption of social scientists. A. It is nearly B. It is nearly C. That nearly D. Nearly 43. “Well, here you are at last! I thought you’d never make it!” “The reason we’re so late is _