87.______ sat down for a rest ______ the door bell rang.

A. Hardly I had; when　　　　　　　　 B. Hardly had I; than

C. No sooner had I; when　　　　　　 D. Barely had I; when

86. The famous writer has many friends, _______ are university professors.

A. most of them　 B. most of they　　 C. most of which　 D. of whom most

85. The population of the U.S.A. is larger than ______.

A. Canada　　　　　　　　　　　　 B. that of Canada　　

C. the one of Canada　　　　　　　 D. those in Canada

84. ______ is well-known, Chinese has the largest number of speakers in the world.

　　 A. It　　　　　　　 B. Which　　　　　 C. That　　　　　　 D. As

83.Miss Alice ______ the wet clothes on the grass to dry them in the sun.

A. lay　　　　　 B. spread　　　　 C. hung　　　　　 D. hanged

82.I was ____ as a worker in a car factory.

A. taken for　　　 B. taken to　　 C. taken out　　 D. taken on

81.In order to ____ the gun it is necessary to take up he gun.

A. get out of　　 　B. get along with　 　C. get down for　　 D. get rid of

80.She gave many excuses, but what they ____ was that she didn’t want to come.

A. added up　　　 B. added to　　 C. added up to　　 D. add up with

79.The plan ____ more careful work at preventing forest fires.

A. called in　　 B. called on　　 C. called up　　　 D. called for

76. They are ______. That means they are at a loss.

A. at sea　　　　 B. by sea　　　　 C. at the sea　　　 D. on the sea