A.was
do you think是插入语,去掉它,就明白了：Who （ was ） the first to come into the room to clean it?为什么是过去式？说话时，clean的动作已经过去了
Who do you think _ the first to come into the room to clean it?A.was B.to be C.being D.of being
Who do you think _ the first to come into the room to clean it?A.was B.to be C.being D.of being
英语人气：636 ℃时间：2020-05-02 18:57:17
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