根据句中所给汉语，完成下列句子。（每空一词，每空0.5分，共10分）
David _____   _________  _________ (突然放声大哭), when he saw his aunt.
It will be two hours _____  ______  _____  _____ (我们才到家). (before)
有些人认为成功和运气有关。
Some people think that success _______ _________ _______ _______ with luck.
请记下我的电话号码。万一有什么重要事情，可以打电话给我。
Please _______ _______ my telephone number. You can call me ______ ______ anything important happens.
大自然给香格里拉提供了无数的自然宝藏，使得这片土地成为当地人民的幸福家园。
Nature _________ Shangri-la ________ endless natural treasures, making the land a happy home for the local people.
我来这里只是确认一切进展顺利。
I only came here to _____ _____ _____ everything went on well.