情景交际，选择适当的选项补全对话。

a. Yes, there are many.　　

b. Yes, they are.　　

c. I really enjoyed myself.　　

d. Does it eat meat?　　

e. I am riding the elephant.　　    

Peter: Hi, Sally. Come and have a look at my photos.

Sally: Are these the photos you took in Africa, Peter?

Peter:  Look, this is a wildebeest. It's an animal in Africa.

Sally:

Peter: No, it doesn't. It only eats grass.

Sally: Are there a lot of animals in Africa?

Peter: 

Sally: Oh, this photo looks interesting. What are you doing there?

Peter: 

Sally: Did you have a good time there?

Peter: Of course.