托福聽力突破(含序列號及習語) 十一

1 brown paper
    2 brush up to
    3 bulletin board
    4 bump into
    5 bump into sb
    6 burn a hole in one's pocket
    7 burn the midnight oil
    8 burn up
    9 bus fare
    10 bus tour
    1 busy signal
    2 by all means
    3 by and by
    4 by leaps and bounds
    5 by mail
    6 by now
    7 by oneself
    8 cable television
    9 call for