三、算一算,写一写。

1. $(\triangle +\triangle +\triangle )× 3= \text{sixty-three}$ 1. $\triangle =$
2. $(\mathrm{☆}+\mathrm{☆}+\mathrm{☆})× 5= \text{ninety}$ 2. $\mathrm{☆}=$
3. $(\heartsuit +\heartsuit +\heartsuit +\heartsuit )× 7= \text{fifty-six}$ 3. $\heartsuit =$
4. $(\square +\square )× 10= \text{one hundred}$ 4. $\square =$
5. $\mathrm{☺}× 11= \text{ninety-nine}$ 5. $\mathrm{☺}=$

1. $7$
2. $6$
3. $2$
4. $5$
5. $9$

四、将下列句子重新排列,组成一段完整的对话。
()Here you are.
()It's 80 yuan.
()OK. I'll take it.
()Welcome! May I help you?
()It's 50 yuan. It's a good schoolbag, too.
()That's too much. What about the blue one?
()Yes. How much is the red schoolbag?

7 3 6 1 5 4 2