判断划线部分动词使用是否正确，正确的写
My mum bought a dress for me yesterday.
判断划线动词使用是否正确
I buy a present for you yesterday.
听录音判断。正确的填写
He is playing the piano but then the telephone rings.
判断下列画线部分动词使用正误
I am going to the park, but it is now getting dark
判断划线动词使用正误
I am flying in the sky. Then you waves to say goodbye.
判断正误。正确的填写
We are having a birthday party.
听录音判断正误。正确的填写
Are the apples are falling down the stairs?
All the balls are flying away.
All the apples is falling off the tree.
The birds are singing in the trees.
