现在完成时一、动词填空。1. _ you ever _(drink) coke?2. He _ never _(visit) the Science Museum.3. We _(buy) a big dog. It is now sleeping in the corner of the room.4. I _( not eat) pizza and dont know whether it is nice or not.5. _ Lucy ever_ (watch) the Beijing Opera at the theater?6. They _( pick) oranges on the farm many times.7. The boys _( water) the flowers already.8. _ you _ (throw) rubbish into the
