there( )a boy and a girl in the lidrary.A,are B,is C,am

问题描述:

there( )a boy and a girl in the lidrary.A,are B,is C,am

  选B is .
  There be 句型,be的形式与离它最近的主语的数,保持一致.
  例如:There ( is ) a bed and two chairs in the bedroom.
There ( are ) two chairs and a bed in the bedroom.
明白了吗?