这道题的正确答案是：
（Has your) hometown (changed) a lot since 1998?
你家乡自1998年以来发生变化了吗?His father has been to America twice.____ ____ ____ has his father _____ to America?（提问去过几次）你好，这道题的正确答案是：(how many times) has his father ( been) to America?***************************************************^__^祝你学习进步，如果有疑问，请追问，如果对你有所帮助，请千万别忘记采纳哟！***************************************************