根据句子的意思及所给首字母，写出单词的正确形式。

1.  Don't go out. The rain is p__________ down.

2.  Don't worry. Mr Hu will be a__________ to help you work out this Maths problem.

3.  My cousin's hobby is c__________ stamps.

4.  Many v__________ come to see the Great Wall every day.

5.  One of my friends won an a__________ for his article last year.

6.  Thank you for o__________ a school trip.

7.  —Do you know the r__________ of the match?

    —Yes, it's 2: 1.

8.  Different people have different kinds of a__________.

9.  Fire is very d__________, so you have to think of your own s__________ when you play with fire.

10. Mr Green fell off his bike and hurt h__________ last week.