If you want to be healthy,（）is（）.A.do more exercise；helpingB.do m_英语解答

If you want to be healthy,（）is（）.
A.do more exercise；helping
B.do more exercise；helpful
C.doing more exercise；helpful
D.doing more exercise；helping

人气：250 ℃　时间：2020-04-07 06:34:09

解答

C选项应该是正确的
doing more exercise 是动名词,作为后面一句的主语
helpful是形容词,接在Be 动词之后.