Вообще-то это очень легко. Просто ставишь was/were и ing окончание в Past Progressive
1.was playing
2.was crying
3.were watching
4.was cleaning
5.were visiting
A) Lake Baikal
B) the Artic ocean
C) Siberia
D) the Pacific Ocean
E) Far East
I live in the flat. It's block of flats. My house has nine floors. It's gray with white balconies. We've got some trees near it. Looks like little garden with blue fence. I like my house.