what are you up to?

WHAT ARE YOU UP TO "what are you up to what are you up what have you been up to WHAT ARE YOU UP TO中文是什么意思? what are you up to hun what are you up to this week? What are you up to with that? you should know what you are up to do 有语法错误吗?what you are up what do you up to 和what are you up to 是一个意思吗? What have you been up to lately?和 what are you up to lately? What are you going to be when you grow up? What are you going to do when you grow up