.Do you often help him ____ his English?

问题描述:

.Do you often help him ____ his English?
( )8.Do you often help him ____ his English?
A.in B.on C.with D.for

help sb.with sth.帮某人某事
help sb.(to) do sth.帮某人做某事 (to可省略)
这里his English是名词,事情(即sth.),所以前面的介词用with
选C