答案：二、1. — Is this your book? — Yes. Thank you. 2. — Is this your bag? — No. /No, it isn't. 3. — Is this a pear? — Yes, it is. 4. — I'm sorry. — That's OK.
三、画一画你的学习用品，然后给它涂色，并根据提示句型介绍它。
提示：
This is my...
It's...
答案：三、画一支铅笔，涂红色 This is my pencil. It's red.（本大题答案不唯一）
