A new subway will have been pleted in the city by the end of the year 2007 , will be very convenient for us to get around shopping and sightseeing.
A. when it
B. where it
C. when that
D. which that
网友回答
(答案→)A. when it
B. where it
C. when that
D. which that
解析：考定语从句及北的用法。