—Lin Kai, hand in your homework, please.
题型:选择题
问题:
—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
—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