1. 情景交际, 选择正确的句子补全对话。(填序号)

(Tom and Lily are at the zoo. )

Tom: Look! There is a big tiger.

Lily:

Tom:  

Lily: Oh, I see.  

Tom: What does a tiger eat?

Lily:  

Tom:  

Lily: Yes, it can.

A. A tiger eats meat. B. Where is the tiger? C. Can a tiger run? D. lt is under the tree. E. The tiger is big.