2. A. must have　　　　　　　　　　　　　 B .must be

　　 C. may have　　　　　　　　　　　　　　　　　 D. can be

1. A. went　　　 B. has gone to 　　　 C. had been to　　　　 D. had gone to

15.　 C。本句的主语是they，而each只是同位语，所以不可用has，have一般不用进行时态，所以不可选D。

103

It was too late at night when an old man came to a small town. He found an inn(小旅馆) and wanted to stay there for the night. After he 　1　 　his room, the owner said to his wife, “Look at his bag. There 　2　 　much money in it. Let’s 　3　 　when he’s asleep, 　4　 ?”

　　　 “No, no,” said the woman. “He must look 　5　 　his bag tomorrow morning. If he can’t find it, he’ll telephone the police.”

　　　 They thought for 　6　 　minutes. Then the woman had an idea. “We have forgetful grass. Why 　7　 　some forgetful grass into his food? If he

　 8　 　the food, he will forget 　9　 　his bag away.

　　　 The old man had the food 　10　 　the forgetful grass and went to bed. The next morning when the owner got up, he found the door 　11　 　and the old man had left with the bag. He woke his wife up and said to her 　12　 , “What a fool(傻瓜)! You forgetful grass isn’t 　13　 　at all.”

　　　 “No, I don’t think so. He must forget 　14 　,” his wife said.

　　　 “Oh! I remember now!” cried out the man suddenly. “He forgot to 　15　 　for the night.”　

14.　 D。通过上下文可知，这两个机场所拥有的协和式飞机最多。

13.　 A。so far “到目前为止”，本句意为“到目前为止，已造出二十架飞机”

12.　 B。“每架飞机”，只有用each，其他都不对。

11.　 C。下文省略了“than in London”。

10.　 C。catch the flight 意为“赶上某次航班”。

9.　　　 A。根据上下文之间的联系，意为“你坐协和式飞机从London到New York，有可能已经到了New York，而还没离开London。(这是由于时差)。

8.　　　 D。because 后面是一个名词性词组，所以用because of 意为“由于……的原因”。本句意为“由于英、美之间的五个小时的时间差”。