题目内容
( )2. It's quite common in British to say " thank you" to the drivers __________ people get off the bus.
A. after B. since
C. until D. when
D
练习册系列答案
相关题目
题目内容
( )2. It's quite common in British to say " thank you" to the drivers __________ people get off the bus.
A. after B. since
C. until D. when
D