问题描述:
此句中,keep 要改成被动语态吗
temperature________( keep )between 2 and 10.
此句子中,keep 要改成被动语态吗?是 keeps,还是is kept?
temperature________( keep )between 2 and 10.
此句子中,keep 要改成被动语态吗?是 keeps,还是is kept?
问题解答:
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