Question

It's going to rain.You'd better take an umbrella __ you may get wet. A. or B.and C.but 解释.谢谢。

Answer 1

It's going to rain.You'd better take an umbrella __ you may get wet.
A. or B.and C.but
解释.谢谢。
答案是A. or
It's going to rain.You'd better take an umbrella _or_ you may get wet.
意思是：快下雨了，你最好随身带伞，否则可能（淋雨）感冒。
or :conj.或，或者;还是;不然，否则;左右
即or在这里是连词，连接两个句子，意思是：否则，不然。