选择合适的回答。
(_______)1.What’s in your bag?
A.No, there isn’t a gym.
(_______)2.Is there a gym?
B.Thank you.
(_______)3.How many classrooms are there?
C.There are seventeen cherries.
(_______)4.Are there three books?
D.There are fifteen.
(_______)5.Your school is good.
E.Yes, there are.