67. Bottles from this region sellat about $50 a case. ( )

52、The experiment requires more money than ( ).

51、Fool ( ) Jane is, she could not have done such a thing.

50、She managed to save ( ) she could out of her wages to help her brother.

49、AIDS is said ( ) the number-one killer of both men and women over the past few years in that region.

48、We've just installed two air-conditioners in our apartment, ( )should make great differences in our life next summer.

47、Have you ever been in a situation ( ) you know the other person is right yet you cannot agree with him?

46、For some time now, world leaders ( ) out the necessity for agreement on arms reduction.

45、( ) of the twins was arrested, because I saw both at a party last night.

44、She did her work ( ) her manager had instructed.

68、The ( ) of the word is unknown, but it is certainly not from Greek.