Annie: Then blocks of ice could be cut and [1] in the icehouse. But I didn’t realise that [2] the blocks with straw or sawdust meant they didn’t [3] for months. The ancient Romans had refrigeration, too.
Jack: I didn’t know that.
Annie: Yes, pits were dug in the ground, and snow was [4] from the mountains – even though they were at quite a distance. The snow was stored in the pits. Ice formed at the bottom of it.