自主高效練八年級英語外研版評議教輔
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20. I have made up my mind to take a break from social media.(改為同義句)
I have
decided to
take a break from social media.
答案:decided to
解析:“make up my mind”意為“下定決心”,其同義短語為“decide to”,原句時態為現在完成時,所以此處用“decided to”。
21. My grandparents have already been to Sanya.(改為否定句)
______
答案:My grandparents haven't been to Sanya yet.
解析:現在完成時的否定句是在助動詞“have/has”后加“not”,“already”在否定句中通常改為“yet”,放在句末。原句主語是“My grandparents”,助動詞用“have”,所以否定句為“My grandparents haven't been to Sanya yet.”。
22. People have improved air quality in the cities by driving less.(改為一般疑問句)
______
答案:Have people improved air quality in the cities by driving less?
解析:現在完成時的一般疑問句是將助動詞“have/has”提到主語之前,原句主語是“People”,助動詞用“have”,所以一般疑問句為“Have people improved air quality in the cities by driving less?”。
23. There will be life on that planet.(用現在完成時改寫句子)
______
答案:There has been life on that planet.
解析:現在完成時的結構為“have/has+過去分詞”,“there be”句型的現在完成時為“There have/has been...”,“life”是不可數名詞,所以用“has been”,改寫后的句子為“There has been life on that planet.”。
24. writer,David,a,has become,successful(.)(連詞成句)
______
答案:David has become a successful writer.
解析:根據所給單詞,“David”是主語,“has become”是謂語,“a successful writer”是賓語,所以連成的句子為“David has become a successful writer.”。