Don’t turn off the computer before closing all programs, _________ you could have problems. A. or B....
2022-12-03 23:53:14 101次 2013-2014学年吉林省通化市高三第二次月考英语试卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
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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