1. (2020五下·期末) 选词填空，填序号。

A. Which      B. What      C. Where     D. Why      E. When

1. （1） is the tiger doing? It is running. Look! It's very fast.
3. （2） is your birthday? It's on Tree Planting Day.
5. （3） season do you like best? Summer. I can swim.
7. （4） is Fido? Is he in the living room? No, he is in the kitchen.
9. （5） does Robin like spring? He likes spring because there are beautiful flowers everywhere.