题目内容
--What were you doing at 9 o’clock last Sunday morning?
--I ________.
A. did my homework B. am doing my homework
C. do my homework D. was doing my homework
D
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题目内容
--What were you doing at 9 o’clock last Sunday morning?
--I ________.
A. did my homework B. am doing my homework
C. do my homework D. was doing my homework
D