一It's useful for the deaf people to learn sign language.一Yes, it's an important

题干

一It's useful for the deaf people to learn sign language.
一Yes, it's an important way of for them.

A．communication

B．education

C．introduction

D．situation

上一题下一题 0.85难度单选题更新时间:2018-07-10 09:43:59

小学学科试题库

初中学科试题库

高中学科试题库