摘要： ---- 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
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(--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
查看习题详情和答案>>(--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
查看习题详情和答案>>