第二句要注意加了个visit...所以不能用where...应该是What are you going to do yesterday?How is her car than yours?（不确定）Where have helen and alice been to?What are you going to be?Who will tell us so...We are going to visit a farm tomorrow.对划线部分visit a farm提问。Her car is prettier than yours.对划线部分prettier提问。Helen and Alice have been to Hawaii.对划线部分Hawaii提问。I am going to be a gardener.对划线部分a gardener提问。He will tell us something about Santa Claus.对划线部分He提问