Look! The girl is swimming so fast. I___she__swim

Look! The girl is swimming so fast. I___she__swim Look!The girl is swimming so fast.I___she__swim Look!The girl is running so f____. ----look the boy is running so fast .--lt is hard to that hi Look!the ( ) (30) boy is running fast. Look,Wang Bing is____(swim,swimming)fast The girl is fast asleep.在句中fast是什么意思,soundly是什么意思,fast能否用sou look the plane is so() Look there the girl is .还是 there is the girl. the boy and the girl is swimming now look!david is swimming in the lake.it is dangero Look!The girl is doing some_____(wash)