Раскройте скобки, используя present perfect или present perfect progressive(continuous) 1. we (not play) baseball for a long time. i don’t remember its rules well. 2. how long (you have) these gloves? 3. this factory (pollute) the air for 10 years. 4. come and have coffee with me, i (pour) a cup for you. 5. sally (sing) since she was a child. nowadays she does it professionally. 6. the flat looks so nice! (you clean) it?