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Ex.3 Choose the appropriate verb forms to complete the sentences. 1. When Bob (was / were ) at school, he (join / joined ) Greenpeace. 2. Fortunately the smog (disappeared/ disapper ) yesterday. 3. Peter (has just eaten / ate ) a sandwich. He can’t be hungry. 4. Helen (never swam / has never swum ) in the sea. 5. Ben ( have / has ) fallen off his bike. Ex. 4. Choose the right verb forms (past simple or present perfect) to complete the sentences. 1. Ben __________ never __________to Peru. (be) 2) __________ you ________eating the salad yet? (finish) 3) Bob ____________________ a very good picture lately. (draw) 4) When my brother was a child he ________________ a lot. (draw) 5) Yesterday the boys _______________ football. (play)