The summer holidays are the time _______ she is looking forward to.A.when B.which C.why D.what
问题描述：
The summer holidays are the time _______ she is looking forward to.A.when B.which C.why D.what
答
B.which 引导定语从句修饰先行词the time ,which作从句的介词to 的宾语,which 可省略