题目内容
【题目】 My mother ______ English since she came to the city.
A. teaches B. has taught
C. taught D. have taught
【答案】B
【解析】
试题分析：句意：自从我的妈妈来这个城市，她就教英语。据since she came to the city，故句子用现在完成时，且主语my mother是第三人称单数故用助动词has，故选B。
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题目内容
【题目】 My mother ______ English since she came to the city.
A. teaches B. has taught
C. taught D. have taught
【答案】B
【解析】
试题分析：句意：自从我的妈妈来这个城市，她就教英语。据since she came to the city，故句子用现在完成时，且主语my mother是第三人称单数故用助动词has，故选B。
