七、从方框里选择合适的句子完成对话，将序号填在横线上。
（It’s Saturday today. Nancy and Frank go to the zoo.）
Frank: I want to take photos for the animals.
Nancy: Because the flash is harmful（有害的）to the animals.
Frank: I see! Oh, here’s the Bear House. I can’t find it.
Nancy: Look! It’s sleeping there. It’s so big.
Frank: It’s lazy（懒惰的）, I think. It’s almost noon and it’s still sleeping.
Nancy:
Frank: But I want to make friends with him. Wake up, Mr Bear!
Nancy: Frank, stop! Look at the sign.
A. Bears sleep all winter.
B. But where’s the bear?
C. You can’t give sweets to him.
D. I have some sweets for you.
E. Why can’t we use the flash（闪光灯）?

E B A D C