( )12.The doctor’s job is ___________ the sick people.A.helped B.help C.helping D.to help选哪个为什么

分类: 作业答案 • 2021-12-19 16:20:08

问题描述：

( )12.The doctor’s job is ___________ the sick people.A.helped B.help C.helping D.to help
选哪个为什么

答