Question

【题目】Extra boiling water should be kept at hand just ______ it is needed.

A. as B. because

C. in case D. as if

Answer 1

【答案】C

【解析】试题分析： 考查连词辨析A. as 因为；B. because因为；C. in case以防；D. as if 好像；句意：多余的热水被储存起来以务不时之需。根据语境可知选C项。