Books are made paper while paper is mainly made wood.A. of; ofB. from; fromC. of; fromD.

发布时间：2020-08-20 22:49:09

Books are made      paper while paper is mainly made      wood.
A. of; of
B. from; from
C. of; from
D. from; of

网友回答

A. of; of
B. from; from
(答案→)C. of; from
D. from; of
解析：能看出原材料用be made of；不能看出原材料用be made from，故答案选C。
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