题目内容
按要求完成句子变化
He hasn't planted these trees yet.
(变为被动语态)These trees ______ ______ ______ yet.
答案:haven't;been;planted
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题目内容
按要求完成句子变化
He hasn't planted these trees yet.
(变为被动语态)These trees ______ ______ ______ yet.