453] The teacher asked us to put weekends ______ good use.

[译文] 老师要求我们充分利用周末。

　 A. with 　 B. in

　 C. for 　 D. to

[答案及简析] D。 固定搭配，put sth. into good use充分利用。

452] ______ the two oceans the Pacific is ______.

[译文] 在这两个大洋中，太平洋是最大的一个。

　 A. In; the larger 　 B. For, larger

　 C. Of; larger 　 D. Of; the larger

[答案及简析] D。 在比较级中有具体的数目时要用介词of。

451] Only when _____ the painting _____ decide whether the painting is worth buying.

[译文] 只有当他看到这幅画，他才能决定是否值得买它。

　 A. he sees, he can 　 B. does he see, can he

　 C. he sees, can he 　 D. sees he, he can

[答案及简析] C。 only引导的状语在句首，主句要部分倒装。

450] Staying up is bad _____ you , but getting up early is good _____ your health.

[译文] 熬夜对你不好，而早起对你的健康有益。

　 A. for, for　　 B. to , for

　 C. to, to 　 D. for, to

[答案及简析] B。 固定搭配。be bad to ; be good for

449] I haven’t got any paper _____.

[译文] 我没有写东西的纸了。

　 A. to write 　 B. for writing

　 C. to write in 　 D. to write on

[答案及简析] D。 不定式作定语，此句表示写东西的纸。

448] ----- What made you so upset? ----- ______ my new bike.

[译文] --什么使得你如此不安？　--我的新自行车丢了。

　 A. Lost 　 B. Losing

　 C. Because of losing 　 D. Since I lost

[答案及简析] B。 省略答语。动名词短语作主语。

447] ______ the day went on the weather get worse.

[译文] 随着时间的过去，气候变得更糟。

　 A. With 　 B. Since

　 C. What　　 D. As

[答案及简析] D。 as引导从句表示"随着…"。

446] ______ was the Saturday , we were facing.

[译文] 这就是我们将面临的周六。

　 A. So 　 B. Such

　 C. What 　 D. It

[答案及简析] B。 such是代词，在句首句子要完全倒装。

445] The other day, as I was walking _____ town , I saw a strange sight.

[译文] 第二天，正当我去城里，我看见了一个奇怪的景象。

　 A. into 　 B. up to

　 C. for 　 D. with

[答案及简析] B。 up是副词，表示地理位置的高处。

444] Don’t trouble to see me ______ the door I know my way out.

[译文] 用不着麻烦你送我到门口，我知道出去的路。

　 A. to 　 B. in

　 C. off 　 D. outside

[答案及简析] A。 see sb. to …送某人到什么地方。