-- What’s your plan for this winter vacation?
-- I’ll take an express train to Dalian for my holiday school ends．
A. while
B. until
C. immediately
D. unless
网友回答
A. while
B. until
(答案→)C. immediately
D. unless
解析：词义辨析。While当……时候，后跟进行时态；until直到……为止；immediately 一……就；unless除非……否则。句意：你寒假有什么计划？学校一放假我就坐直达大连的火车去度假。所以选C。