A greenhouse is a building _______ of glass _______ for keep

A greenhouse is a building _______ of glass _______ for keeping plants warm when the outside temperature is low..
A.made, which is used B.which is made, is used
C.made, being used D.is made, used
生张苏魏 1年前 已收到1个回答 举报

helen_1224 幼苗

共回答了27个问题采纳率:77.8% 举报

A

第一空考查非谓语动词,用过去分词作定语修饰a building,第二空是定语从句,which 在从句中做主语,短语:be used for 被用来做某事,所以选A。

1年前

1
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