I’ve been working for over twenty years and seldom so tired as now .A.I have felt B.I had felt C.hav

题目简介

I’ve been working for over twenty years and seldom so tired as now .A.I have felt B.I had felt C.hav

题目详情

I’ve been working for over twenty years and seldom           so tired as now .
A.I have felt B.I had felt C.have I felt D.had I felt
题型:单选题难度:偏易来源:不详

答案

C

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