题目内容
It’s going to rain. You’d better take an umbrella_____you may get wet.
A. or B. and C. but
A
解析试题分析：or或者，否则；and和，并且；But但是。句意：要下雨了。你最好带一把伞，否则你会淋湿的。故选A。
考点：考查连词辨析
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