Question

While I(1)....the living room,my brother(2).... in the garden with his friends.
1)(1)was tidying;(2)was playing
2)(1)was cleaning;(2) was sitting
3)(1)cleaned;(2)played
4)(1)tidied ;(2)has played
(может быть несколько вариантов ответа)

Answer 1

Первый вариант и второй

Answer 2

While I was tidying the living room, my brother was playing in the garden with his friends.
или
While I was cleaning the living room, my brother was sitting in the garden with his friends.
.