单选题 You'd better take these documents with you __ you need them for the meeting. 
【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 ease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。utiless除非;until直到。