Don’t turn off the computer before closing all programs， you could have problems. (2013·北京

发布时间：2020-08-17 10:13:09

Don’t turn off the puter before closing all programs，     you could have problems.                                                          (2013·北京，22)
A. or
B. and
C. but
D. so

网友回答

A. or
B. and
C. but
D. so
解析：　A
解析　考查连词用法。句意为：关闭所有程序后再关电脑，否则会有麻烦的。or否则，要不然，用于警告或忠告。
以上问题属网友观点，不代表本站立场，仅供参考！