题干

Is your brother doing his homework?
No, he is talking _______ the phone _______ his friend in Beijing.
A. in, to B. on, with C. from, to D. on, about
上一题 下一题 0.85难度 单选题 更新时间:2019-08-15 07:44:48

答案(点此获取答案解析)