has been
希望我的回答能帮助到你O(∩_∩)O哈!有不懂的继续问我噢~We_never_(be)to Hawaii 谢谢你 那我就继续问咯We have never been to HawaiiYou'd better try to give up_(smoke).It's too bad to your health.smokingWho isdoing well in__(describe)things.describingHave you finished__(read)the bookreadingHave you saw someone__(ski)before还有这句话是什么意思呢？skiing你以前曾看过某人滑雪吗？希望帮助到你~