其他地方都很流利的?5老师说可以用修正,但最好只修正一次,不然会影响流利分。机器是怎么判定分数的?急急急
结构2:名词或代词(主格) + doing1)My mother cooking in the kitchen, I was doing my homework in my room. (表伴随)我妈妈正在厨房做饭,我在房间里做作业。