Spending the summer traveling round Australia is a great idea,but it begs the ________ of how we can afford it．

A．mercy

B．pleasure

C．question

D．permission

— Excuse me,what impressed you most in his report?

— Well,the most important part,I think,lies in the words to bring about an ________ of the conditions of the working men and women．

A．improvement

B．advance

C．increase

D．achievement

— I'm sorry I stepped outside for a smoke．I was very tiree．

— There is no ________ for this while you are on duty．

A．reason

B．excuse

C．cause

D．explanation

Don't leave matches or cigarettes on the table within ________ of little children．

A．hand

B．reach

C．space

D．distance

I keep medicines on the top shelf,out of the childrent's ________

A．reach

B．hand

C．hold

D．place

The faces of four famous American Presidents on the Mount Rushmore can be seen from a ________ of 60 miles．

A．length

B．distance

C．way

D．space

If you but more than ten,they knock 20 pence off ________

A．a price

B．price

C．the price

D．prices

My ________ of this weekend's activity is going out with some good friends．

A．idea

B．opinion

C．mind

D．thought

The head office of the bank is in Beijing,but it has ________ all over the country．

A．companies

B．branches

C．organizations

D．business

When and where to build the house ________ not been decided．

A．have

B．has

C．are

D．is