Tom has been in the factory ______ he left school.

admin2009-06-21  48

问题 Tom has been in the factory ______ he left school.

选项 A、when
B、as soon as
C、since

答案C

解析 考察现在完成时的时间状语表达。since表示“自从”,when“当……时候”,as soon as表示“一……就……”。
转载请注明原文地址:https://jikaoti.com/ti/zy1sFFFM
0

最新回复(0)