问题
选择题
You should _____ your mother _____ help when you can't do the washing.[ ]
A. ask; with
B. ask; for
C. ask; in
D. ask; on
答案
答案：B
搜题请搜索小程序“爱下问搜题”
You should _____ your mother _____ help when you can't do the washing.[ ]
A. ask; with
B. ask; for
C. ask; in
D. ask; on
答案：B
，那么
-
之差是（）
