258] The question is very important. It really needs _______.

[译文] 这个问题很重要。真的需要认真地讨论。

　 A. carefully discussing 　 B. carefully to discuss

　 C. to carefully be discussed 　 D. being discussed carefully

[答案及简析] A。 need作为实意动词表示"需要"时，一般跟动名词的主动形式表示被动意思。

257] Follow the directions on the bottle carefully when _______.

[译文] 仔细地按照药瓶上说明服药。

　 A. you will take the medicine 　 B. taking the medicine

　 C. to take the medicine 　 D. taken the medicine

[答案及简析] B。 主句中没有主语是祈使句，用现在分词表示时间语主语(you)一致。

256] Do you think ______ important _______ us to learn a foreign language?

[译文] 你认为对我们来说学习英语重要吗？

　 A. that; of 　 B. it; for

　 C. this; is 　 D. that; for

[答案及简析] B。 6123结构。

255] -----I think it _______ to smoke . ----- _______.

[译文] --我认为抽烟不对。　　--我也这样认为的。

　 A. was wring; Neither do I 　 B. wrong; So do I

　 C. wrong; So I don’t 　 D. wrong; So I do

[答案及简析] B。 前面是6123结构。后面是反意疑问句，与主句一致。

254] ______ to collage this year, We must study harder than ever before .

[译文] 为了上大学，我们必须更加努力学习。

　 A. Go 　 B. Going

　 C. Gone 　 D. To go

[答案及简析] D。 不定式表示将来和目的。

253] Don’t have the clock ______ , Your father is sleeping.

[译文] 不要把钟弄响，你爸在睡觉。

　 A. rings 　 B. rang

　 C. ring 　 D. ringing

[答案及简析] C。 have sb. do sth.句型。

252] Nothing but ______.

[译文] 只有离开。

　 A. to leave 　 B. leave

　 C. left 　 D. heaving

[答案及简析] B。 这是一个省略句：I have nothing to do but leave.

251] My last lesson in French! I hardly know how to write, _______ I would never learn now .

[译文] 我的最后一节法语课！我几乎不知道该如何写，可我也再也学不到了。

　 A. but 　 B. and

　 C. if 　 D. so

[答案及简析] B。 并列的句子用并列连词。

250] Every day you __ to yourself: "I have plenty of time. I’ll learn my lesson tomorrow"

[译文] 每天你都对自己说，"我有很多时间，我将明天学习功课。"

　 A. said 　 B. says

　 C. saying 　 D. have said

[答案及简析] B。 一般现在时态表示经常的习惯。

249] Don’t have the water ______ like this all the time, _______?

[译文] 不要让水这样长期流着，是吧？

　 A. run, do you 　 B. running, will you

　 C. to run, will you 　 D. run, shall we

[答案及简析] B。 have sb./sth. doing sth. 表示让…一直做…；祈使句的反意疑问句一般用will you。