When ___ there ,the posrman found the door locked and then stopped ___the letter under it.

题目

When ___ there ,the posrman found the door locked and then stopped ___the letter under it.
A.reaching ; to stick
B.reached ; to stick
C.reaching ; sticking
D.resched ; sticking
我们老师说答案选A 为什么 reach不是非延续性动词吗?

答案

选A正确.关键点有三：1、when状语从句的省略： 状语从句中,如果从句主语和主句主语相同时,从句的主语和谓语动词的一部分经常省略.即：When reaching there=When he reached there2、状语从句用了省略形式,从句就需...