These students will graduate from college next summer, by which time theyin college for four years.A

题目简介

These students will graduate from college next summer, by which time theyin college for four years.A

题目详情

These students will graduate from college next summer, by which time they    
in college for four years.
A.have studiedB.had studied
C.will have studiedD.will be studying
题型:单选题难度:中档来源:不详

答案

C

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