—I’m sure Andrew will come out first in this gymnastic competition.—I think so. He ______ for it for

题目简介

—I’m sure Andrew will come out first in this gymnastic competition.—I think so. He ______ for it for

题目详情


—I’m sure Andrew will come out first in this gymnastic competition.
—I think so. He ______  for it for months.
A.is preparingB.was preparingC.had been preparingD.has been preparing
题型:单选题难度:偏易来源:不详

答案

D

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