题目内容
The books ________ silk were more expensive than the books ________ paper.
[ ]
A. made of; made of B. made of; made from
C. made from; made from D. made from; made of
答案:A
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题目内容
The books ________ silk were more expensive than the books ________ paper.
[ ]
A. made of; made of B. made of; made from
C. made from; made from D. made from; made of