Question

Поставьте глаголы в скобках в правильную форму 1. when i came home my dinner for us.(to cook) 2.what about? (to talk)-nothing seriours. 3 i'm sorry i couldn't join you yesterday. i my exam. (to prepare) 4. you a minute ago? (to laugh) — it was the funniest joke i've ever heard. 5.the spaceship captain satellite which fast, (to notice / to move) it was dangerous!

Answer 1

I was preparing for my exam (Past Continuous).
What were you laughing at (Past Continuous) a minute ago?
The spaceship captain didn't notice (Past Simple) the satellite which was moving  (Past Continuous) very fast. 

Answer 2

When I came home, my mom was cooking dinner for us.
What are you talking about? — Nothing serious.
What did you say at a minute ago? — It was the funniest joke I've ever heard.
The spaceship captain noticed the satellit which was moving very fast. It was dangerous!