He ______ English for six years by the time he takes his examination.A.was studyingB.would have been

题目简介

He ______ English for six years by the time he takes his examination.A.was studyingB.would have been

题目详情


He ______ English for six years by the time he takes his examination.
A.was studyingB.would have been studying
C.had been studyingD.will have been studying
题型:单选题难度:偏易来源:不详

答案

D

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