---- 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 查看更多

 

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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

查看答案和解析>>

 (--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

查看答案和解析>>

 --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

查看答案和解析>>

 --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

查看答案和解析>>


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