99. ---Need you leave so soon?

　 ---Yes, _____, I’m afraid.

　 A. I need　　　　　 B. I do　　　　　 C. I have to　　 　　　 D. I must to.

98. They _____ be at home. You see, the door is locked from the outside.

　 A. may　　　　　　 B. must　　　　　 C. mustn’t　　　　　　 D. can’t

97. There is a little time left. We _____ hurry.

　 　A. should　　　　 B. would　　　　　　　 C. mustn’t　　　　　　 D. needn’t

96. The Internet has made it possible ______ in a very convenient way around the world.

　　 A. for people to communicate　　　　 B. for people communicating

　　 C. for people communicate　　　　　　 D. for people to be communicated

95. What he had said was ______ and made us ______.

　　 A. surprised...surprising　　　　　　　　 B. surprising...surprised

　　 C. surprised...surprised　　　　　　　　 D. surprising...surprising

94. Janet is delighted _____ the first prize in the poem recitation contest.

　　 A. to award　　　　　　　　　　　　　　　　 B. to be awarded

　　 C. to have been awarded　　　　　　　 D. to be awarding

93. ______ in a big and crowded department store, poor Jack burst out ______.

　　 A. To lose...crying　　　　　　　　　　　　 B. Lost... to cry

　　 C. Lost...crying　　　　　　　　　　　　　　　　　 D. Having been lost...cry

92. _______ by the police, the kidnappers had nothing to do but ______ up.

　　 A. Surrounding...to give　　　　　　　　 B. Having surrounded...give

　　 C. Surrounded...to give　 　　　　　　　 D. Surrounded...give

91. He walked up and down the room for half an hour, _______ behind him.

　　 A. with his hands clasping　　　　　　 　　 B. his hands clasped

　　 C. his hands were clasped　　　　　　　　　　 D. as his hands clasped

90. Being in a foreign country, _______.

　　 A. one may soon change his old habits

　　 B. one’s old habits will soon be changed

　　 C. there’ll be some change in his habits

　　 D. one’s new habits will soon be formed