问题
选择题
| Books are made ______ paper and paper is made ______ wood. |
A. of, of B. from, from C. of, from D. from, of |
答案
答案：C
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| Books are made ______ paper and paper is made ______ wood. |
A. of, of B. from, from C. of, from D. from, of |
答案：C