C Listen and write(听录音,填空完成对话)
Lucy: Wow! The supermarket is so big!
Mum: Yes, Lucy! Here's the bakery section. What do you want?
Lucy: Mum, let's have a ______ of bread and ______ small cakes.
Mum: OK! How much are they?
Lucy: The bread is ______ yuan. The cakes are ______ yuan. They are fifteen yuan together (一起; 总共).
Mum: Do you want anything (任何东西) else?
Lucy: May I have some ______, Mum?
Mum: It's not good for your teeth, but you can have a ______ ______.
Lucy: Thank you, Mum!

loaf; four; five; ten; chocolate; small bar

D Look, complete and say(看图,填空完成购物单,然后根据购物单说一说)

S1:..., please.
S2: Here you are.
S1: How much is it/are they?
S2: It's/They're... yuan.
Shopping list
______ packet(s) of biscuits
______ bottle(s) of milk
______ bottle(s) of water
______ ice cream(s)______

1; 1; 1; 1; They're 14 yuan.

根据题目要求，需填写购物单并进行对话练习。四年级上册Unit 3主要学习购物相关词汇和句型，如询问价格（How much...?）、物品名称及数量表达。购物单中物品为biscuits（饼干）、milk（牛奶）、water（水）、ice cream（冰淇淋），数量可自行合理设定（1-3个为宜，符合该年级认知），最后一空可补充总价。示例数量设定为各1个，总价为3+4+3+4=14元。