问题
选择题
-- 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
答案
答案：C
考查immediately 作为连词，意为：一……就。句意学校一放假我就乘快车去大连度假。所以选C。