I have been living in the United States for twenty years. but seldom so lonely as now. A.have I felt B.I had felt C.I have felt D.had I felt 答案 A 解析 将现在与以前相比较.故用现在完成时.当否定副词置于句首时.句子要用部分倒装形式.句意为:--但我很少感觉到像现在这样孤独. 查看更多

 

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