483] The teacher tells his students to read the novel over and over again until they ______ it.

[譯文] 老師要求他的學生一遍又一遍地讀小說直到讀懂為止。

　 A. understand 　 B. understood

　 C. have understood 　 D. have been understood

[答案及簡析] A。 until 引導的是狀語從句。

482] "It’s ______ warm today, let’s go swimming." "No, I don’t ______ to do. It’s ______ cold today.

[譯文] "今天很暖和，我們去游泳吧！"　"不，我不想去，今天還有點冷。"

　 A. rather, hope, fairly 　 B. fairly, want, rather

　 C. rather, think, fairly　　 D. fairly, like, fairly

[答案及簡析] A。 副詞比較。請參見前面練習題的解釋。

481] ----I have never heard it _____ before. And you ? ----The same as you.

[譯文] --我以前從沒有聽說過談論此事，你呢？　--和你一樣。

　 A. talking about 　 B. talked

　 C. talked of 　 D. being talked

[答案及簡析] C。 過去分詞短語做賓補。

480] In the dark street, there wasn’t a single person _____ she could turn for help.

[譯文] 在漆黑的街道，她沒有一個人求助。

　 A. to whom 　 B. who

　 C. from whom 　 D. that

[答案及簡析] A。 turn to固定短語，求助于。

479] She was more headstrong than ______.

[譯文] 她比我們其他人都意志堅強。

　 A. the rest of us 　 B. us the rest

　 C. the other of us 　 D. us the other

[答案及簡析] A。 比較級，她屬一方，其他人一方。

478] The car ______ at the present speed until it reaches the foot of the mountain at about ten o’clock tonight.

[譯文] 按目前速度前進，大約今天10點就可以到達山腳下。

　 A. would go 　 B. went

　 C. will be going 　 D. goes

[答案及簡析] A。 情態(tài)動詞用法。would表示對將來的推測。

477] Though ______, many laws of nature exist.

[譯文] 盡管沒被發(fā)現，許多自然規(guī)律還是存在的。

　 A. not having been discovered 　 B. having not been discovered

　 C. not having discovered 　 D. having not discovered

[答案及簡析] A。 當從句的主語與主句的主語一致，可以用分詞短語化簡。

476] The servant did _____ she could ______ the revolutionary.

[譯文] 仆人做了她該做的事來幫助革命。

　 A. what, help 　 B. that, to help

　 C. what, to help 　 D. all help

[答案及簡析] C。 do what one can to do sth.是一個句型。

475] The missing boys were last seen _____ near the river.

[譯文] 丟失的孩子最后看見他時，他在河邊玩耍。

　 A. playing 　 B. to be playing

　 C. play 　 D. to play

[答案及簡析] A。 現在分詞作主與補足語，表示進行。

474] He gave me the phone number in order ______ contact him when we are in need of help.

[譯文] 他給我他的電話號碼以便我們需要他的幫助時好聯系他。

　 A. to 　 B. of me to

　 C. for me to 　 D. that I

[答案及簡析] C。 不定時表示目的。