Listen to the whole passage
Listen to the whole passage once first, then practice sentence by sentence.
The first line is the other person opening the conversation; the "You" lines are suggestions for you to practice saying in this scenario (not a back-and-forth dialogue).
A friend shopping with you
我们买点儿东西吧，你看这件衣服。
Let's buy some things; look at this shirt.
You
这件衣服多少钱？
How much is this shirt?
You
这件衣服太贵了。
This shirt is too expensive.
You
有便宜一点儿的吗？
Is there a cheaper one?
You
我们买那个吧，很便宜。
Let's buy that one, it's cheap.
You
今天我不想买太多。
I don't want to buy too much today.
You
这个水果便宜，我们买这个。
This fruit is cheap, let's buy this.
You
买这些就好了。
Buying these is enough.
You
今天我们没花太多钱。
We didn't spend too much money today.