44. Why don't you bring _________ to his attention that you are too busy to do it?
A. this B. that
C. what D. it
43. Mr. Brown said that he was always right, then I discovered, _________ was news to me, to _____he was wrong.
A. which; because B. which; as
C. what; that D. it; that
42. Scientists believe native Americans arrived by crossing the land bridge that connected Siberia and _______ more than 10,000 years ago.
A. this is Alaska B. Alaska is now
C. is now Alike D. what is now Alaska
41. Professor Lee’s book will show you _____ can be used in other fields.
A. that you have obeyed B. how that yon have observe
C. how that you have observed D. how what you have observed
40. It was not until dark _____ he found _______ he thought was the correct way to solve the problem.
A. that; what B. that; that
C. when; that D. wheal what
39. The boy dived into the water and after _______ seemed to be a long time. he came up again.
A. what B. that
C. it D. which
38. _______ all the inventions have in common is _______ they have succeeded.
A. What; what B. That; that
C. What; that D. That; what
37. Mary said it was very important to her that she ________ her work.
A. is liking B. like
C. likes D. liked
36. Now that you have a job, you must exert yourself in _______ you do at work.
A. however B. no matter what
C. no matter how D. whatever
35. _______ people spend so much money on their pets _________ us a lot.
A. That; surprises B. What; surprising
C. How; are surprised D. That; is surprised