问题补充：
--- Do you know ? I’m going to see him. --- Sorry，I don’t know．
A. where does Mr. Li live
B. where did Mr. Li live
C. where Mr. Li lives
D. where Mr. Li lived
答案：
A. where does Mr. Li live
B. where did Mr. Li live
(答案→)C. where Mr. Li lives
D. where Mr. Li lived
解析：句意：---你知道李先生住在哪吗？我打算去看望他，---对不起，我不知道。Where引导的宾语从句用陈述语序。故选C
