完成句子。请根据所给的汉语完成英语句子。每空限填一个单词。

1. 你每天花多长时间做家庭作业？

    How _____ does it _____ you to do your homework every day?

2. 如果你成了电影明星，你将会快乐吗？

    _____ you become a movie star, _____ you be happy?

3.蒂娜年纪太小，不能照顾自己。

   Tina is _____ young that she can't look after.

4. 听到那悲伤的消息，他忍不住哭了。

    He couldn't help _____ when he heard the sad.

5. 我觉得每晚睡八个小时很重要。

    I think it's important to _____ eight _____ a night.