The winter Olympics are usually held two years _ the Summer Olympics.A.in front of B.before C.later D.earlier因为是一段时间+later但我认为是D,

问题描述:

The winter Olympics are usually held two years _ the Summer Olympics
.A.in front of B.before C.later D.earlier
因为是一段时间+later
但我认为是D,

选D的话比较级需要有than 因此这个题只能选B 在。。。之前

答案是B,此处before是介词,而two years earlier后面不能加名词