题目内容
(句型转换) You must not plant trees in very dry earth.(变被动语态)
Trees ______ ______ ______ ______in very dry earth.
答案:
were not be planted
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题目内容
(句型转换) You must not plant trees in very dry earth.(变被动语态)
Trees ______ ______ ______ ______in very dry earth.
答案:
were not be planted