问题
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
B:benefits to; benefit
C:benefits from; benefit
D:benefits; be benfited from
正确答案是：
同类题型
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