A: Can I help you?

B: Yes. how much are the carrots（胡萝卜）?

A: They are one dollar（美元） a kilo（千克）.

B: Oh, it's a little bit（一点儿） expensive. Ok. I'd like half a kilo, please.

A: What else do you want?

B: I want some bananas.

A: Green bananas or yellow bananas?

B: I want green bananas.

A: How many do you want?

B: I want five.

A: OK. Anything else?

B: Are these oranges?

A: No, They are lemons.

B: I don't like lemons.