8．He chose two story books the other day．（改為被動語態(tài)）
Two story bookswerechosen by him the other day．

分析 前幾天他挑選了兩本故事書．
前幾天兩本故事書被他選擇了．

解答 答案：were chosen．原句chose是choose的過去式，the story books是choose的承受者，構(gòu)成被動關(guān)系，結(jié)合時態(tài)用一般過去時的被動語態(tài)was/were+過去分詞，主語是復數(shù)，故were，choose的過去分詞是chosen，故答案是were chosen．

點評 一般過去時的被動語態(tài)was/were+過去分詞的呈現(xiàn)，各種類型的被動語態(tài)的構(gòu)成要理解掌握．

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