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。
You can easily c______ the problems if you study British history.    
England is the largest of the four countries and for c______ it is divided into three zones.
The c__________ of these stamps took ten years.
Your composition is very good except for some spelling e__________.
It is Mary rather you who is to b_________for the accident.
His speech made a strong ____________（印象）on the audience.
Some people like to lie on the beach, but I prefer __________(观光).
Urban inhabitants have to live with the _________(典型的) noises of cities.
We were ______(激动的) when we saw the high mountains and beautiful scenery.
The boss is _________（谨慎的） about making decisions.