3. What can I do for you？(改为同义句)

I you?

4. 他们班有20个女孩，21个男孩。(翻译句子)

They have 20 and 21 in their class.

5. 3双袜子只卖10块钱。(翻译句子)

Socks are only 10 yuan ________ ________ ________．

能力提升

一、 根据句意，用合适的介词填空。

1. They sell all their clothes very good prices.

2. For boys, we have black trousers only 20 yuan.

3. The girl blue is my friend, Lucy.

4. Come my clothes store, boys and girls.

5. I need a pair black shoes for school.

二、从方框中选择合适的选项补全对话。

A：Good morning！1.

B：Yes，please. I need a T­shirt.

A：2.

B：Red.

A：This red T­shirt is nice. Do you like it?

B：3.

A：How about that red one？It's small.