问题补充:
29. It is known to us that doing eye exercises our eyes, and that is to say, our eyes can doing eye exercises.
A. benefits; benefit from
B. benefits to; benefit
C. benefits from; benefit
D. benefits; be benfited from
答案:
(答案→)A. benefits; benefit from
B. benefits to; benefit
C. benefits from; benefit
D. benefits; be benfited from
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