15.They built many tall buildings in Ordos last year.(改為被動(dòng)語(yǔ)態(tài))
Many tall buildingswere built in Ordos by them last year.

分析 去年他們?cè)诙鯛柖嗨菇ㄔ炝嗽S多高的建筑物.
去年在鄂爾多斯許多高建筑物被建成.

解答 答案:were built.原句中的built得知是一般過(guò)去時(shí),改為被動(dòng)語(yǔ)態(tài)的結(jié)構(gòu)是:主語(yǔ)+was/were+過(guò)去分詞+by+賓語(yǔ).主語(yǔ)是buildings是復(fù)數(shù),故were,bulid的過(guò)去分詞是built.故答案是were built.

點(diǎn)評(píng) 此題要求把主動(dòng)語(yǔ)態(tài)變?yōu)楸粍?dòng)語(yǔ)態(tài),做這類題時(shí),首先由原句的謂語(yǔ)確定采用哪種被動(dòng)語(yǔ)態(tài)結(jié)構(gòu),再看主語(yǔ),二者結(jié)合即可得出答案.

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