Question

Раскрыть скобки 1)When I came home, my mom (to cook) dinner 2) What ... you ... at a minute ago I (to laugh) 3) I'm sorry I couldn't join you yesterday. I ... for my exam (to prepare)

Answer 1

1 was cooking dinner

2 what are you laughing at ?

3 i was prepearing for my exam

Answer 2

1. When I came home, my mom was cooking dinner.
2. What were you laughing at a minute ago?
3. I'm sorry I couldn't join you yesterday. I was preparing for my exam.