Uzupełnij zdania poprawną formą czasowników podanych w nawiasach:

13 I (do) housework all morning and I (not finish) yet.
 - I (do) mine already. I always start at 6 a.m.
14 I just (pick) ten pounds of strawberries! I (grow) strawberries for years but I never (have) such a good crop before.
15 What you (do) with the corkscrew? The point is broken off.
 - I’m afraid I (use) it to make holes in this tin.
16 She just (sell) two of her own paintings.
 - She’s lucky. I (paint) for five years and I (not sell) a single picture yet.
17 They are throwing crockery at each other in the next flat.
 - This (happen) before?
 - Well, they (have) a good many rows but this is the first time they (throw) crockery.
18 What you (do) with my typewriter? I can’t find it anywhere.
 - Tom just (go) off with it. He says he’ll bring it back when he (finish).
19 He (work) for Crow Brothers for forty years and never once (be) late. The firm just (present) him with a gold watch as a sign of their appreciation.
20 We (mend) sheets all morning but we only (do) three, and now the sewing machine (break) down so we’ll be even slower with the next one.