根据要求完成句子，每空一词。
【小题1】Why don’t you learn English by singing English songs ?（改为同义句）
_________ __________ learning English by singing English songs?
【小题2】It took us four hours to get there.(对划线部分提问)
________ ___________did it take you to get there?
【小题3】Our government is setting up nature parks so that we can protect pandas. (改为同义句)
Our government is setting up nature parks __________ _________ to protect pandas.
【小题4】Let’s try to speak English as much as we can.（改为同义句）
Let’s try to speak English as much as __________
【小题5】My brother gave me some storybooks.（改为同义句）
My brother gave __________ _________ ________ me.