问题补充：
--- Let me teach you how to download music from the Internet.
--- Teach me? ! I know how to do it earlier!.
A. It’s easier said than done.
B. He who laughs last laughs best.
C. You are trying to teach your granny how to suck eggs.
D. You can take a horse to the water but you cannot make him drink
答案：
A. It’s easier said than done.
B. He who laughs last laughs best.
(答案→)C. You are trying to teach your granny how to suck eggs.
D. You can take a horse to the water but you cannot make him drink
解析：可联系答.案.网客服索取。
