摘要： -Paper wood. We should not waste paper. -I agree. I always use sides of paper. A. is made of, either B. is made from, both C. makes of, both D. makes from, either
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—Paper ___________ wood. We should not waste paper.
—I agree. I always use __________ sides of paper.
| A．is made of; either | B．is made from; both |
| C．makes of; both | D．makes from; either |