Listen! What...
1) are they singing?
2) do they sing?

Объяснение:

song

ответ: Listen! What do they sing?

Объяснение: Слушай! Что они поют?

becky didn't play puzzles yesterday.

1.) it (was) sunday yesterday and they (were) at home.

возможен и этот вариант:

  it (was) sunday yesterday and they (weren't) at home.  2.) kim (was) at her grandmother's yesterday.

возможно:

  kim (wasn't) at her grandmother's yesterday.  3.) she (is) at home.  4.) mum and dad (were) at work yesterday.  возможен и этот вариант:

  mum and dad (weren't) at work yesterday.  5.) they (are) in the village.