【题目】We still have a long way to go to solve all the problems ___________the Yangtze River.
A.regardless of
B.in regard to
C.in search of
D.instead of

【答案】B
【解析】句意：就解决长江的所有问题而言，还有很长的路要走。A. regardless of”不管，不顾“；B.in regard to”关于“；C.in search of”搜寻“；D.instead of”代替“。故选B。