My classmate ________ a lot of good deeds for others.(本题5.0分)
A、 has been done
B、 did
C、 was doing
D、 had done

答案是:

标准答案:B
出自  青书学堂  >  西南石油大学英语(二)(专升本)

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本题添加时间:2023/4/3 12:59:00