433] ______ to collage this year, We must study harder than ever before .
[译文] 为了考上大学，我们应该比以往更加努力学习。
A. Go B. Going
C. Gone D. To go
[答案及简析] D。 不定式表目的。
432] Don’t have the clock ______ , Your father is sleeping.
[译文] 不要让闹钟响，你爸爸在睡觉。
A. rings B. rang
C. ring D. ringing
[答案及简析] C。 have sth. do sth.结构，不定式一般表示将来要发生的动作。
431] Nothing but ______.
[译文] 除了离开别无选择。
A. to leave B. leave
C. left D. heaving
[答案及简析] B。 此句是个省略句I can do nothing but leave, nothing but后面一般是省略不定式符号的不定式。
430] My last lesson in French! I hardly know how to write, _______ I would never learn now .
[译文] 我的最后一堂法语课！我几乎不知道如何写呢，就再也学不到了。
A. but B. and
C. if D. so
[答案及简析] B。 and在此表示结果；so而表示因果关系。
429] 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。我明天会学习的。"
A. said B. say
C. saying D. have said
[答案及简析] B。 时态问题，常做的事用一般现在时。
428] Don’t have the water ______ like this all the time, _______?
[译文] 不要让水像这样一直流着，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。 祈使句的反意疑问句用will you；让…一直做….是：have …doing sth.。
427] I ______ you to come to my house next Sunday.
[译文] 我希望你下周六到我家来。
A. hope B. wish
C. feel like D. don’t think
[答案及简析] B。 只有wish才能用不定式作其宾补。
426] We believe she can win the game, ______?
[译文] 我们相信她会赢得这场比赛，是吧？
A. don’t we B. do we
C. can we D. can’t she
[答案及简析] D。 主句中的谓语动词是6123结构之类动词而且主句的主语是第一人称，反意疑问句应该和从句一致。
425] Today my job at home is ______ and my father’s is ______.
[译文] 今天我在家的工作是洗衣服，爸爸做晚饭。
A. to wash clothes; to cook dinner B. washing clothes; to cook dinner
C. to wash clothes; cooking dinner D. going to wash clothes; going to cook dinner
[答案及简析] A。 不定式作表语有两个用法：表示主语的内容；表示将要做什么。本题是第二种用法。
424] -----What are you going to be when you grow up ？ -----I want to _______.
[译文] --你长大了想当个什么？ --我想当名水手。
A. go to the sea B. go to sea
C. work beyond the sea D. go to Qingdao by sea
[答案及简析] B。 go to the sea到海边去；go to sea当水手；work beyond the sea在海外工作；go to Qindao by sea坐海船到青岛。