1. 看图填空

例：—How many pencils do you need?

—I need four pencils.

—How much are they?                      two dollars for one

—They are eight dollars.           

1. （1） —How many do you need?

   —I need . 50 dollars for one

   —How much ?

   — .  fifty dollars for one

3. （2） —How many do you need?

   —I need .   

   —How much ?

   — .       three dollars for one