新概念英语第二册课后练习答案lesson21.doc
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1、如有侵权,请联系网站删除,仅供学习与交流新概念英语第二册课后练习答案lesson21【精品文档】第 4 页新概念英语第二册课后习题答案详解Lesson 21练习答案 Key to written exercises1关键句型练习答案A passing planes can be heard(1.2); The airport was built (1.2); it could not be used then(1. 3); a hundred people must have been driven away(11.4-5); this house will be knocked down b
2、y a passing plane(11.6-7); I have been offered a large sum of money(1.7)C 1 A message will be sent immediately.2 All these goods must be sold.3 I told you the parcel would be received in time.4 The letter has to be delivered by hand.5 Your letter must have been lost In the post.2难点练习答案A (sample answ
3、ers)The dog drove the sheep out of the field.The police drove the crowds back.I drove my car into the garage.B1 home 2 houses 3 house 4 home3多项选择题答案1. c根据课文第3-4行Last year, however, it came into use, 只有c. came into use recently 比较接近课文的实际内容,而其他3个选择都不符课文内容。2. d根据课文第8行but I am determined to stay here, 只
4、有d. has refused to leave his house 与课文内容相符,其他3个选择都与事实不符。3. c只有选c. can hear 才能使这个句子同前一句Passing planes can be heard night and day 的含义相同,只是语态不同。 而其他3个选择a. can heard, b. can to hear, d. can be heard 都不符合语法,在意思上都讲不通。4. d只有d. possible 才能使句子同前一句It couldnt be used then 意思最接近。a. able (能)需要人作主语,本句的主语是it 形式主语;
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