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
【答案】
A
【解析】
试题分析:句意:所有的程序关闭之前不要关上电脑,否则,你可能有问题。or 或者,否则; and 而且; but 但是;so 所以。根据空格后you could have problems,可知如果不按照前面的去做,就会有问题。故选A。
考点:考查连词的用法。
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