题目内容
【题目】Mr. Black ________ English in a middle school ever since he came to China.
A. have been teaching
B. has been teaching
C. had taught
D. taught
【答案】B
【解析】句意:布莱克先生自从来到中国一直在一所中学教英语。根据句意,可知“现在还教英语”,所以用现在完成进行时。
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【题目】Mr. Black ________ English in a middle school ever since he came to China.
A. have been teaching
B. has been teaching
C. had taught
D. taught
【答案】B
【解析】句意:布莱克先生自从来到中国一直在一所中学教英语。根据句意,可知“现在还教英语”,所以用现在完成进行时。