Present Perfect or Present Perfect Continuous.9. I just (remember) that I

Present Perfect or Present Perfect Continuous.
9. I just (remember) that I (not/pay) the rent yet. I'm surprised that the landlord (not/ring) me up remind me. - It's the first time you (be) late with the rent in 25 years. He probably thinks that you (pay) and he (lose) the cheque.
10. I (look) through my old photograph album. It's full of photographs of people whose names I completely (forget). I wonder what (happen) to them all.
11. I (do) housework all morning and I (not/finish) yet. - I (do) mine already. I always start at 6 a. m.
12. Why you (make) such a horrible noise? - I (lose) my key and I (try) ro wake my sister by throwing stones at the window. - You (throw) stones at the wrong window.
13.That man (stand) at the busstop for the last half hour. Shall I tell him that the last bus already (go)?
14. You look exhausted! - Yes, I (play) tennis and I(not/play) for years, so I'm not used to it.
15. George (collect) matchboxed since he left school. Now he (collect) so many that he doesn't know where to put then.