急:help him ( )his homework A.doing B.with c.do
问题描述:
急:help him ( )his homework A.doing B.with c.do
哪一个能用?或几个能用.为什么?
A.能用么?
答
B和C可以用 A不可以 help sb.with sth.或者help sb.(to)do sth.