We have been good friends __________ we joined the music club. A. before B. since C. until-九年级英语

题目简介

We have been good friends __________ we joined the music club. A. before B. since C. until-九年级英语

题目详情

We have been good friends __________ we joined the music club.
A. before           B. since             C. until
题型:单选题难度:中档来源:不详

答案

B
在since 引导的时间状语从句中,当从句为一般过去时时,主句用现在完成时,故选B

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