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
网友回答
(答案→)A. benefits; benefit from
B. benefits to; benefit
C. benefits from; benefit
D. benefits; be benfited from
解析：可联系答.案.网客服索取。