Go to the supermarket

It's Sunday morning. It's fine today.
Mary's mum wants to go to the supermarket.

Mum: Mary, I'll go to Tianhe supermarket, do you want to go with me ?

Mary: OK. But how can we go there ?

Mum: We can go there by bus.

Mary: But I want to go by underground. I like underground.

Mum: OK. So Let's go by underground. Now have your breakfast .

Mary: Mum, what do you want to buy ?

Mum: I want to buy some orange juice. Do you like orange juice?

Mary: No, Idon't like orange juice. I like grape juice. Can I wear my purple dress today, mum?

Mum:Sure. Let's be quick, OK?.

Mary: OK.