____ is good for our health .It's my favourite sport .A.Swim B.Sw_英语解答

____ is good for our health .It's my favourite sport .A.Swim B.Swimming C.Swims
为什么选B请详解.

人气：429 ℃　时间：2019-11-13 07:14:59

解答

“游泳对身体好”
因为这里是动名词做主语,动词时不能作主语的.swim是动词,swimming是动名词形式