国开《综合英语(1)》Unit4 单元练习 形考试题 【题目】 What is true about the words? They are used to express feeling only They can’t be written down They are spoken or written sounds They are soundless signs 试题来源综合英语(1) 查看整套课程试卷 此内容查看价格为0.2金币，请先登录如有问题，请联系微信客服解决！
