Jack's friend gave him three pieces of advice.（对three pieces of进行提问）Jack's friend gave him three pieces of advice.（对three pieces of进行提问）
问题描述：
Jack's friend gave him three pieces of advice.（对three pieces of进行提问）
Jack's friend gave him three pieces of advice.（对three pieces of进行提问）
答
How much advice did Jack's friend give.
advice 是不可数名词,要用How much 来问.
（如同 news,water 这些词也是不可数名词,要用How much 来问).
gave 过去时,要用 did 提问.