单项选择题 You,d better take these documents with you________you need them for the meeting.
A.unless
B.in case
C.until
D.so that
正确答案：B
答案解析:考查连词词义辨析。句意:你最好带上这些文件,以防会议中你会用到。in case可引导目的状语从句,意为"以防,以备",so that也可引导目的状语从句,意为"以便,为了",所以in case符合题意。unless除非;until直到。
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