89. Oh, how are you?I ____ to ask you if you would like to come to my birthday party, but you weren’t in.

　 A. am calling　　 B. called　　 C. have called　　 D. had called

88. Bread and butter_______ at the restaurant. It is unnecessary to go out for breakfast.

　 A. are served 　　B. serves　　 C. is served　　 D. serve

87. When you have finished the experiment, please tidy the lab and _____ in the cupboards.

　 A. put everything off　　　　　 B. put off everything

　 C. put everything back　　　　　 D. put back everything

86.By the time the soldiers arrived, the building_____.

　 A. has destroyed　　　　 B. has been destroyed

　 C. had been destroyed　　 D. had destroyed

85. Most of the men_____ climb out of the burning ship in time. However, four men were not quick enough to escape the flames.

　 A. could　 B. were able to　　 C. had to　 D. would rather

84. Wind_____electricity in many parts of the world.

　 A. is widely used to produce　　　　 B. is widely used to producing

　 C. widely used to produce　　　　　 D. widely used to producing

83. Although he explained again and again, he could not make himself____by all of us.

　 A. understand　 B. understanding　 C. understood　 D. be understood

82. Helen is much more kind to her youngest child than to the others, ____, of course, makes the other unhappy.

　 A. who 　　B. which　　 C. she　　 D. that

81.Let’s keep to the point or we______ any decisions.

　 A. will never reach　　　　　 B. have never reached

　 C. never reach　　　　　　　 D. never reached

80. The house is at the next corner, you can’t_______ it.

　 A. past　　 B. pass　　 C. catch　　 D. miss