完成句子(共10小题每小题2分，满分20分)阅读下列各小题，根据括号内的汉语提示，用句末括号内的英语单词完成句子，井将答案写在答题卡上的相应题号后。

1.It wasn’t a good thing; ______________it was a huge mistake.(contrary)

这不是件好事，相反，是个错误。

2.It is so wet there that the trees are extremely tall, _______________________over 90 meters. ((measure)

这儿很湿，树木极高，一些高达90多米。

3.It is acceptable to___________________________ your friends on April 1^st.(trick)

在愚人节捉弄一下你的朋友是可以接受的。

4._____________________________________the exams mostly depends on whether you study hard.(succeed)

你能不能成功地通过考试主要依靠你是否努力学习。

5.I find it ___________________________this problem.(deal)

我认为这个问题很难处理。

6.He___________________ his teacher entering the classroom, for he was still chatting with his desk-mates.(catch)

因为他一直在和同桌聊天，一定没看到老师进来了。

7.It is reported that the population of China is approximately______________________. (as)

据报道中国的人口大约是美国的4倍。

8.It is harmful for those who are still teenagers ________________in order to lose weight. (diet)

对青少年来说，为减肥而节食是有害的。

9.Not until he failed in the exam __________________________hard. (settle)

直到考试失败，他才静下心来努力学习。

10.Could you tell me how to improve my English?

---My suggestion is _______________________________your teacher. (seek)

我的建议是，你向你的老师征求意见

用动词不定式完成句子

我的建议是立刻开始干．What I would suggest is ________.