Question

--- Look, so many dark clouds!

--- You should take an umbrella________ rain

A. instead of

B. in case of

C. with the help of

Answer

B

【解析】试题分析：句意为：---瞧，那么多乌云。---你应该带把雨伞以防下雨。instead of：代替、而不是；in case of：以防万一；with the help of：在------帮助下。结合选项可知应选B。

【考点定位】考查短语辨析。