1. A: Whose shoes are these? Are these yours, Mary? 

    B: No, they aren’t mine. They are Nana’s. 

2. A: When is your birthday? 

    B: My birthday is on August 21st. 

3. A: Where is Ben? 

    B: He’s in his bedroom. 

    A: Is he reading a book? 

    B: No, he isn’t. He’s listening to music. 

4. A: Is Ted in the living room? 

    B: No, he isn’t. He’s in the garden. 

    A: What’s he doing now? 

    B: He’s doing morning exercises. 

5. A: What are they doing? 

    B: They’re climbing the tree.

—— 已经到底了!^_^ ——