The girl?my teacher is my sisterA:talk with B:talking withC:talks with D:to talk with说明为什么
问题描述：
The girl?my teacher is my sister
A:talk with B:talking with
C:talks with D:to talk with
说明为什么
答
B
答
B
My teacher is talking with my sister.我的老师在和我姐姐谈话
is + 动词ing 构成现在进行时