1. They … (play) computer games at 5 o’clock yesterday. --------------------------------------------------
2. My sister … (read) her book the whole morning yesterday. ---------------------------------------------
3. He … (write) the letter to his pen-friend when I … (phone) him. ---------------------------------------
4. The boy … (change) his T-shirt by that time.---------------------------------------------------------------
5. … you … (receive) the fax message before you left the office. ------------------------------------------
6. Bob … (do) already his work when his mother … (phone) him. ----------------------------------------
7. Why (do/does) they learn poems by heart? -------------------------------------------------------------------
8. The girl (to tell) us about her work at 3 o’clock tomorrow. -----------------------------------------------
9. I … (do) not see Ann yesterday. ------------------------------------------------------------------------------
10. How long (have/did) you lived there? ------------------------------------------------------------------------