e or not ________(没关系)．
答案：makes no difference
12．He couldn't________ (集中精力)his work.
答案：fix his attention on/concentrate on
13．I ________(感到内疚)for not giving her any help at that time.
答案：felt guilty
14．You should________(省去)these unlucky words.
答案：leave out
15．In the old days people________often ________ (受到威胁，暴露)some unknown diseases.
答案：were；exposed to
16. The photos on the wall __________________ (使我想起)the happy days we spent on that island.
答案：reminded me of
17. Mary is a girl____________(多才多艺)，especially she ____________(有天赋)singing and dancing.
答案：of many gifts；has a gift for
18. Many people in Africa have to____________(挨饿)and some of them even ________(饿死)．
答案：go hungry；starve to death
19. Would you____________ (帮助)Professor Green in __________ (分析)these results of the experiment?
答案：assist；analyzing
20．We gather here____________ (为了纪念)those who gave their lives for our happiness.
答案：in memory of/to honour
四、将下列句子译成英语
1．我一到家就把这个好消息告诉了妈妈。(一句多译)
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答案：①When arriving at home I told my mother about the good news.(分词用法)
②On my arrival at home I told my mother about the good news.
③Hardly had I entered the house when I told my mother about the good news(倒装句)
④No sooner had I entered the house than I told my mother about the good news.(倒装句)
2．他很晚才回家，又疲惫，又难过。
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答案：He came home very late，tired and upset.
3．他打电话问我们会议的日期时，我们正打算打电话告诉他。
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答案：We were about to telephone the date for the meeting to him when he called up for it.
4．只有当我把所有的数据核对了三遍后，我才感到真的累了。(一句多译)
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答案：①It was not until I checked the data three times that I felt I was really tired.
②Only when I have all the data checked for three times, I feel really tired.
5．他一向努力学习，难怪他每次考试都有好成绩。
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答案：He has been studying very hard.No wonder he gets good marks in every examination.
6．你没必要这么担心她。她毕竟再也不是孩子了。
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答案：There is no need for you to worry about her so much.After all she is not a child any more.
7．毫无疑问，我将竭尽所能帮助你。
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答案：There is no doubt that I will spare no effort to help you.
8．你会发觉花一百万解决这个问题非常值得。
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答案：You will find it worthwhile to solve the problem with one million yuan.