英语翻译若有我能帮得上忙的地方尽管开口!期待Sam访问荷兰那一天的到来!John还没有看过那个Flash吗?请帮忙把上面

简短干脆点的 anything you need, just name it.
客气点的 please feel free to come when you need me
(Sb.)look forwards to the visit of Sam in Holand
Has John seen that flash?