—Aren’tyoutired?You

问题详情：

  — Aren’t you tired? You _______ for two hours.

   — A bit, of course. But as a soldier, I must hold out to the last.

   A. stand         B. have stood       C. stood             D. have been standing

【回答】

D

知识点：现在完成进行时及其被动式

题型：选择题