I became a teacher in 1993. I _______ for 13 years by next summer.A.has taughtB.will teachC.has been

题目简介

I became a teacher in 1993. I _______ for 13 years by next summer.A.has taughtB.will teachC.has been

题目详情


I became a teacher in 1993. I _______ for 13 years by next summer.
A.has taughtB.will teachC.has been teachingD.will have been teaching
题型:单选题难度:偏易来源:不详

答案

D

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