问题
选择题
They ______ for Shanghai on Friday. Shall we go to see them off at the train station? [ ]
A. left
B. were leaving
C. have left
D. are leaving
答案
答案：D
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They ______ for Shanghai on Friday. Shall we go to see them off at the train station? [ ]
A. left
B. were leaving
C. have left
D. are leaving
答案：D