国开《理工英语3》单元自测5(预备知识:Unit 5;10分) 形考试题 【题目】_______ had the bell rung _______ the students took their seats. Hardly;when No sooner;when Hardly;than 试题来源理工英语3 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!