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

[譯文] 史密斯允許他的兒子用肉喂他的狗。

　 A. to feed; on 　 B. to feed; to

　 C. feed; to 　 D. feed; on

[答案及簡(jiǎn)析] B。 allow sb. to do sth. 允許…做…；feed sth. to sb.拿…喂…。

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

[譯文] 我回到家時(shí)，父母都出去買(mǎi)東西去了。

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

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

[答案及簡(jiǎn)析] B。 父母只有兩個(gè)；后面不定式表示目的。

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

[譯文] 在澳大利亞，他交了很多朋友學(xué)英語(yǔ)，想使人家能聽(tīng)懂自己講的話(huà)。

　 A. learned; understood 　 B. learning; understand

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

[答案及簡(jiǎn)析] C。 不定式表示目的；make 加反身代詞的后面一般跟過(guò)去分詞。

1715] The teacher will come to explain ____.

[譯文] 老師會(huì)來(lái)給我們解釋這個(gè)問(wèn)題的。

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

　 C. the problem to us 　 D. us the problem

[答案及簡(jiǎn)析] C。 explain sth. to sb.給某人解釋什么。

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

[譯文] 父親用了他所有的錢(qián)給他買(mǎi)了一臺(tái)電腦。

　 A. what that 　 B. all that

　 C. what 　 D. that

[答案及簡(jiǎn)析] C。 主句中缺賓語(yǔ)同時(shí)從句中缺賓語(yǔ)，用what引導(dǎo)。

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

[譯文] --你在桂林呆了多久？　　　--三周。

　 A. How soon 　 B. How long

　 C. How far 　 D. How often

[答案及簡(jiǎn)析] B。 how soon表示速度；how long 表示一段時(shí)間；how far 表示距離；how often表示頻率。

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

[譯文] 無(wú)論他回家多晚，媽媽總是等著他回家一道吃晚飯。

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

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

[答案及簡(jiǎn)析] D。 however 修飾副詞late,后面應(yīng)該是一個(gè)陳述語(yǔ)序。

1711] If you want to change for a double room, you’ll have to pay _____ $ 15.

[譯文] 如果你想換一個(gè)雙人房間，你得再加15美元。

　 A. another 　 B. other

　 C. more 　 D. each

[答案及簡(jiǎn)析] A。 另外再加用another 表示。

1710] I’m sure _____ you said is wrong.

[譯文] 我肯定你所說(shuō)的話(huà)是錯(cuò)的。

　 A. that what 　 B. that

　 C. which 　 D. all what

[答案及簡(jiǎn)析] A。 that 引導(dǎo)賓語(yǔ)從句；what引導(dǎo)主語(yǔ)從句，作從句的主語(yǔ)。

1709] His answer _____ us by surprise.

[譯文] 他的回答使大家大吃一驚。

　 A. took 　 B. caught

　 C. puzzled 　 D. shocked

[答案及簡(jiǎn)析] A。 take sb. by surprise使…大吃一驚。