— Do you drink alcohol?— No, but I used to be a man         alcohol.

Around 15,000 officials gathered in Copenhagen, trying to map out an effective strategy _____ the battle against climate change．

___ comfortably in his armchair, the old man enjoyed the light music over the radio with his eyes half ___ .

     by a greater demand of vegetables, farmers have built more green houses.

Written in a hurry, ________________.