Doing eye exercises         well in         our eyes. A.work; protectingB.works;

Doing eye exercises         well in         our eyes. A.work; protectingB.works;

题型:不详难度:来源:
Doing eye exercises         well in         our eyes. 
A.work; protectingB.works; protectingC.works ; protectD.work; to protect

答案
B
解析

试题分析:做眼保健操对我们的眼睛有好处。结合语境可知本句描述的是是客观性的动作,故用一般现在时态。主语Doing eye exercises表示抽象含义,故谓语动词用单数。下文中in是介词,后面接名词或者动名词作宾语,故选B。
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