56. Please ______dictionaries when you are not sure of word spelling or meaning.

A) seek            B) inquire           C) search                   D) consult

 57. At yesterday’s party, Elizabeth’s boyfriend amused us by ______ Charlie Chaplin.

A) copying         B) following         C) imitating                 D) modeling

 58. She keeps a supply of candles in the house in case of power ______.

A) failure          B) lack              C) absence                  D) drop

 59. The group of technicians are engaged in a study which ______ all aspects of urban planning.

A) inserts          B) grips              C) performs                D) embraces

 60. The lecture which lasted about three hours was so ______ that the audience couldn’t help yawning.

A) tedious          B) bored             C) clumsy                  D) tired

56 D) consult    57. C) imitating   58.A) failure   59.D) embraces      60.A) tedious