Lingling:We need a big bag for our picnic.

Amy:We can use the bag over there.

Lingling:How much juice did you buy?

Amy:We bought two bottles.

Lingling:How much cheese did you buy?

Amy:Half a kilo. And we also bought a lot of chocolate!

Lingling:How much chocolate did you buy?

Daming:Half a kilo!We can eat some now!