David ________ himself while he_____ the machine.(本题5.0分)
A、 hurted… was fixing
B、 hurts… is fixing
C、 hurt…fixed
D、 hurt… was fixing

答案是:

标准答案:D
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