look!the dog _____(run) after a cat.

look!the dog _____(run) after a cat. look,the dog ( ) (run) after a cat.讲一下 The dog _____(run)after a cat now. look,a dog _____(run after)a bird quickly Look!The cat( )(run)after the mouse. look!The dog is running after a cat 改为被动语态 look!A cat __ __ look,the dog____(run)after cat The dog_____(run)after a cat yesterday Look at the dog.It's (chasing) a cat.A.running after B.runni look the dog ___(run)after the car 选择：look,the cat （）after a rat A runs B run C is running D ra Look!The cat ___________________ after the mouse.(run) 用所给词的