A. They are fighting. B. The frog(青蛙) is singing. C. Amy is reading. D. She is taking a photo. E. He is playing ping-pong. |
A.Who | B.What | C.How | D.Where |
A.Is | B.Do | C.Can |
A.swimming | B.swim | C.swiming |
A.they are | B.they aren’t | C.it isn’t |
A.No, she isn’t. | B.Yes, they are. | C.Yes, they aren’t. |