选择所给的动词的适当形式填空.A:_______Mary ________(talk) with his brother?B:Yes,she is.

题目

选择所给的动词的适当形式填空.A:_______Mary ________(talk) with his brother?B:Yes,she is.

答案

Is talking
不明白的再问 ,如有帮助,请及时采纳!