Professor Smith, along with his assistant, ________on the project day and night to meet the deadline...
2023-01-15 19:08:41 28次 2011年新疆乌鲁木齐市高二上第一次月考英语题（平行班） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Professor Smith, along with his
assistant, ________on the project day and night to meet the deadline.
A. work B. working C. is working D. are
working
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