Uzupełnij zdania odpowiednimi formami czasowników w nawiasach. Użyj czasu Past Simple lub Past Continous.

    I was (be) born in 1999.
1. _____ (you/read) books about space exploration when you were a boy?
2. My grandparents _______ (not/watch) TV when aunt Helen visited them.
3. Last week I ______ (buy) a new mobile phone.
4. ________ (John/sleep) at 7 o'clock yesterday?
5. Professor Thatcher ______ (work) at university when he caused an explosion.