根据下列句子所给首字母和汉语意思，在空白处写上完整的单词，每空一个词。

1.You can easily c______ the problems if you study British history.    

2.England is the largest of the four countries and for c______ it is divided into three zones.

3.The c__________ of these stamps took ten years.

4.Your composition is very good except for some spelling e__________.

5.It is Mary rather you who is to b_________for the accident.

6. His speech made a strong ____________（印象）on the audience.

7.Some people like to lie on the beach, but I prefer __________(观光).

8.Urban inhabitants have to live with the _________(典型的) noises of cities.

9.We were ______(激动的) when we saw the high mountains and beautiful scenery.

10.The boss is _________（谨慎的） about making decisions.