Ⅲ. 圆圆在社区里开了一个小小的“旧物义卖站”，打算把整理出来的旧物品卖给有需要的人。请你帮圆圆算一算，并把正确的单词写在四线三格上。
eleven twelve thirteen fifteen seventeen

1. + =
2. + =
3. + =
4. + =
5. + =

1. twelve 2. thirteen 3. fifteen
4. eleven 5. seventeen

Ⅳ. 圆圆的义卖站里来了一位小朋友。下面是他们的对话，请你从方框中选择合适的句子补全对话。

主题4 | 日常生活中的旧物与数字

A. How many dolls do you have?
B. How much is the doll?
C. Yes. I have many toys.
D. OK. Here you are.
E. You can have three for twelve yuan.

1. C 2. A 3. B 4. E 5. D