Помогите раскрыть скобки..). Why she (to sleep) at seven o’clock yesterday? I (not to...

Question

Помогите раскрыть скобки..). Why she (to sleep) at seven o’clock yesterday?
I (not to play) the piano at four o’clock yesterday.

Answer 1

 Why was she  sleeping at seven o’clock yesterday?I was not  playing the piano at four o’clock yesterday.