They had to before they finished the course because they were not well disciplined.A. drop
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解决时间 2021-01-04 18:47
- 提问者网友：凉末
- 2021-01-03 23:35
They had to before they finished the course because they were not well disciplined.
A. drop in
B. drop out
C. drop off
D. drop by
最佳答案
- 五星知识达人网友：轻雾山林
- 2021-01-04 01:11
A. drop in(答案→)B. drop outC. drop offD. drop by解析：可联系答.案.网客服索取。
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- 1楼网友：摆渡翁
- 2021-01-04 01:17
感谢回答，我学习了
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