-Where is Billy?-He is ______ the phone with his friend Rob in the room. Rob is

题干

-Where is Billy?
-He is ______ the phone with his friend Rob in the room. Rob is helping him ______ his math.

A．on; with

B．in ; with

C．on; at

D．in; at

上一题下一题 0.65难度单选题更新时间:2019-05-19 11:19:28

小学学科试题库

初中学科试题库

高中学科试题库