They went to the ball yesterday , _____ they had a good time.

问题描述:

They went to the ball yesterday , _____ they had a good time.
A.where
B.which
C.at that
D.that

  选A.
  They went to the ball yesterday ,where they had a good time.
  他们昨天去参加了舞会,度过了一段愉快的时光.
  解析:这里是where 引导的后置定语从句,修饰 the ball.
祝开心~!