问题描述：
剑桥二级
He has taught in this small distant school for twenty years.(改为一般疑问句）
（ ） he ( ) in the small distant schooll( ) 1997?
He has taught in this small distant school for twenty years.(改为一般疑问句）
（ ） he ( ) in the small distant schooll( ) 1997?
问题解答：
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