Put the verbs in brackets in the correct form (past simple or past continuous tense)....

Question

Put the verbs in brackets in the correct form (past simple or past continuous tense).
1.When I came home my mom ...dinner for us. (to cook)
2."What ...you ...about?" (to talk) — "Nothing serious."
3.I'm sorry I couldn't join you yesterday. I ...for my exam, (to prepare)
4.What... you ...at a minute ago? (to laugh) — It was the funniest joke I've ever heard.
5.The spaceship captain ...the satellite which ...very fast, (to notice / to move) It was dangerous!

Answer 1

1.When I came home my mom was cooking dinner for us.
2."What were you talking about?" — "Nothing serious." 
3.I'm sorry I couldn't join you yesterday. I was preparing for my exam, 
4.What were you  laughing at a minute ago? — It was the funniest joke I've ever heard. 
5.The spaceship captain noticed the satellite which was moving very fast. It was dangerous!