sue is with her grandma in the park.they are playing and talking/()her grandma about her school.sue is with her grandma in the park.they are playing and talking ( )her grandma about her school.填什么?

问题描述:

sue is with her grandma in the park.they are playing and talking/()her grandma about her school.
sue is with her grandma in the park.they are playing and talking ( )her grandma about her school.填什么?