问题 更新时间2023/4/3 12:59:00 The telephone, ______ was invented by Bell in 1876,was a great improvement on the telegraph.( )(本题1.0分) A、 when B、 which C、 that D、 who 答案 登录 注册 标准答案:B 出自:青书学堂 >> 沈阳建筑大学大学英语3