知道的来回答下
1.Many people don't knowhow to keep healthy.(变为同义句)
Many people don't know______ _______ ________keep healthy.
2.Nancy had some problems learning English grammar.(变为同义句)
Nancy______ _______ ________learning English grammar.
3.用适当的副词或介词填空
She helped me a lot in my life.Iregarded her________ my good frined.
I'll stay at home instead__________going to the movies tonight.