1721] All the rooms are _____ with electric lights.

[译文] 所有的房间都装有电灯。

　 A. supplied 　 B. given

　 C. offered 　 D. burnt

[答案及简析] A。 be supplied with 被提供(供给)，装配。

1720] -----I’m going to Guilin next week. Do you have anything _____ there? ----- No, but thank you all the same.

[译文] --我下周要去桂林，有东西带到那儿去吗？　　--没有，谢谢你。

　 A. to be taken 　 B. taking

　 C. to take 　 D. taken

[答案及简析] A。 在句型中得不定式一般只能用主动形式；但句子的主语发不出该动作时要用被动形式。

1719] They don’t have to water their crops. There is _____ rain in that part of China.

[译文] 他们没有必要给庄稼浇水，中国的那个地区有丰富的雨水。

　 A. a lot 　 B. plenty of

　 C. plenty 　 D. a great many

[答案及简析] B。 plenty of 既可以修饰可数名词又可以修是不可数名词。

1718] Smith allowed his son _____ the meat _____ the dog.

[译文] 史密斯允许他的儿子用肉喂他的狗。

　 A. to feed; on 　 B. to feed; to

　 C. feed; to 　 D. feed; on

[答案及简析] B。 allow sb. to do sth. 允许…做…；feed sth. to sb.拿…喂…。

1717] When I got home, my parents were _____ out to _____.

[译文] 我回到家时，父母都出去买东西去了。

　 A. all; have shopping 　 B. both; do some shopping

　 C. all; go to shop 　 D. both; have shopping

[答案及简析] B。 父母只有两个；后面不定式表示目的。

1716] In Australia, he made a lot of friends _____ English well to make himself _____.

[译文] 在澳大利亚，他交了很多朋友学英语，想使人家能听懂自己讲的话。

　 A. learned; understood 　 B. learning; understand

　 C. to learn; understood　　 D. to learn; understand

[答案及简析] C。 不定式表示目的；make 加反身代词的后面一般跟过去分词。

1715] The teacher will come to explain ____.

[译文] 老师会来给我们解释这个问题的。

　 A. us for the problem 　 B. for us the problem

　 C. the problem to us 　 D. us the problem

[答案及简析] C。 explain sth. to sb.给某人解释什么。

1714] His father used _____ he had to buy him a computer.

[译文] 父亲用了他所有的钱给他买了一台电脑。

　 A. what that 　 B. all that

　 C. what 　 D. that

[答案及简析] C。 主句中缺宾语同时从句中缺宾语，用what引导。

1713] ----- _____ have you been in Guilin?　　----- Three weeks.

[译文] --你在桂林呆了多久？　　　--三周。

　 A. How soon 　 B. How long

　 C. How far 　 D. How often

[答案及简析] B。 how soon表示速度；how long 表示一段时间；how far 表示距离；how often表示频率。

1712] ____, mother will wait for him to have dinner together.

[译文] 无论他回家多晚，妈妈总是等着他回家一道吃晚饭。

　 A. However late is he 　 B. However he is late

　 C. However is he late 　 D. However late he is

[答案及简析] D。 however 修饰副词late,后面应该是一个陈述语序。