Lucy, don’t turn off the computer before closing all programs, ________you could have problems. A.or...
2022-06-27 03:09:48 34次 2020年江苏省扬州市江都区中考一模英语试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
Lucy, don’t turn off the computer before closing all programs, ________you could have problems.
A.or B.and C.but D.so
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