when was the express mail arrive here?语法正确吗 什么时候快件到达的这里?
问题描述：
when was the express mail arrive here?语法正确吗 什么时候快件到达的这里?
答
错了.有两个动词了 was 和 arrive
正确的：when was the express mail here
或 when did the express mail arrive here