问题
选择题
—Lin Kai, hand in your homework, please.
—Oh, sorry. I ______ it at home this morning. [ ]
A. was leaving
B. has left
C. will leave
D. left
答案
答案：D
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—Lin Kai, hand in your homework, please.
—Oh, sorry. I ______ it at home this morning. [ ]
A. was leaving
B. has left
C. will leave
D. left
答案：D