Unit 8 Children’s Day PB 同步练习（含答案）

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Unit8 Children’s Day Part B
习题
一、填空题
1. — What ______ you doing?
2. — What’s he doing?
— He’s _______.
3. — What’s she doing?
— She’s _______.
4. — What are they doing?
— they are _______.
5. — What _______ you doing?
— I’m _______.

二、选择正确的答案
1. What’s this? _________ a chair.
A. They...