Their classroom is cleaned by them every day.
一般現(xiàn)在時的被動語態(tài)的結(jié)構(gòu):am/ is/ are + 過去分詞..
every day每天,everyday每日的
改被動語態(tài)They clean their classroom every day.
改被動語態(tài)They clean their classroom every day.
英語人氣：523 ℃時間：2019-12-17 03:28:07
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