Question

用括號內(nèi)所給動詞的適當(dāng)形式填空，并將答案寫在答題卡標有題號的橫線上。
【小題1】Many great changes ____________ (take) place in China during the past 10 years.
【小題2】We should think about all we can do ____________ (prevent) animals and plants from becoming endangered.
【小題3】Today, to hold the Olympic Games ______________ (consider) as a rich prize for a country.
【小題4】The engineers ____________ (search) for some information on the Internet in the laboratory when Mr. White arrived.
【小題5】Jack and Susan ____________ (know) each other since they were children, so nobody was surprised to hear that they got married.
【小題6】He promised that he ___________ (not forget) to hand in his report before weekend.
【小題7】The patient jumped excitedly when he heard his illness could ______________ (cure).
【小題8】We should try out best to stop those factories ____________ (pollute) the rivers again.

Answer 1

【小題1】have taken
【小題2】to prevent
【小題3】is considered
【小題4】were searching
【小題5】had known
【小題6】wouldn’t forget
【小題7】be cured
【小題8】polluting

解析【小題1】本句的含義為在剛過去的10年，中國發(fā)生了許多重大的改變，本題表示的是完成時態(tài)，結(jié)構(gòu)為have+動詞過去分詞，故本句空格處填have taken。
【小題2】本句的含義為我們應(yīng)該考慮我們應(yīng)該做什么來阻止動植物的瀕臨滅絕，表示目的使用動詞不定式to prevent。
【小題3】本題表示被動的含義，使用被動句，結(jié)構(gòu)為be+動詞考慮的過去分詞considered，故本句空格處填is considered。
【小題4】本句的含義為工程師正在網(wǎng)上搜尋一些信息，本題的主句為過去進行時，結(jié)構(gòu)為were+現(xiàn)在分詞searching，故本句空格處填were searching。
【小題5】本句的含義為杰克和蘇珊自從他們是孩子的時候，他們就認識了，本題主句使用過去完成時，結(jié)構(gòu)為had+動詞認識的過去分詞known，故本句空格處填had known。
【小題6】本句的主句為過去時，從句為過去將來時的否定形式，使用wouldn’t+動詞忘記的原形forget，故本句空格處填wouldn’t forget。
【小題7】本句的從句是含有情態(tài)動詞的被動句，結(jié)構(gòu)為can be+動詞的過去分詞cured，故本句空格處填be cured。
【小題8】本句的含義為我們竭盡全力地阻止工廠污染河流，stop +地點 from doing表示阻止某地做某事，故本句空格處填污染的動名詞形式polluting。