问题
补全对话，情景问答
根据图示，回答问题。
1. I need runners, a sweater and a ball.
How much are they ?
dollars.
2. I need a ball and a bicycle.
How much are they ?
dollars.
3. I need a sweater, a ball and a bicycle.
How much are they ?
dollars.
答案
l. One hundred twenty-one 2. Fifty-four 3. One hundred thirty-eight