They _________(find) some treasure when they ______(dig) at the beach.
They found some treasure when they were digging at the beach.
We _______ (eat) our lunch when we _______(sit) in the plane
We ate our lunch while we were sitting in the plane.
They ________(not sleep) when their parents ______(come) home.
They weren't sleeping when their parents came home
I _________(not wear) my raincoat when it _______(start) to rain.
I wasn't wearing my raincoat when it started to rain.
