It's quite common in Britain to say "Thank you" to the drivers _____ people get off t

题目简介

It's quite common in Britain to say "Thank you" to the drivers _____ people get off t

题目详情

It's quite common in Britain to say "Thank you" to the drivers _____ people get off the bus.
[     ]
A. after
B. since
C. until
D. when
题型:单选题难度:中档来源:专项题

答案

D

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