根据句意及汉语提示完成句子。
1. Reading Harry Potter has become very popular _____ (在……之中) many students.
2. —How long may I _____ (借) the book?
—For a week.
3. Which is _____ (安全), traveling by train or by plane?
4. On my _____ (二十) birthday,I received lots of presents from my friends.
5. Computer is one of the greatest _____ (发明). I can't imagine life without it.
6. Can you_____ (买得起) to buy the house? It's quite expensive.
7. I was too busy and _____ (错过) the film“Transormers 2".
8. They are different. They do things _____ (不同), too.
9. Parents should not be too _____ (严厉的) with their children.
10. She wants to _____ (成为) a singer when she grows up.