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Ex 33 open the brackets, using the correct tense form. in the waiting room i (enter) the dentist's waiting room which (be) full. like any other waiting room, it (have) an atmosphere of its own. a small table (be covered) with very old magazines; the curtains (be) of indefinite colour and the armchairs definitely unclean. there (be) dusty pictures on the wall. i (take) my seat and (decide) to pass the time watching the people around me. a little man beside me (turn) over the pages of a magazine quickly and nervously. it (be) hard to understand what he (look) at; from time to time he (throw) the magazine on the table and (pick up) another. opposite me there (be) a young mother who (try) hard to quiet her son. the boy (make) aeroplane-noises as he (move) an ashtray on the floor. near him an old man (sleep) and the boy's mother (be) afraid that sooner or later her son (wake up) him. i myself (be) sleepy. the boy (be) quiet now in his mother's arms. there (be) a deathly silence in the room and just at this moment the loud speaker (call) out the name of the next lucky person