It is human nature to think back to a golden age ______ one’s country was strong and respected.

It was a nice meal, _______a little expensive.

____ he does his work, I don’t mind what time he arrives at the office.

Harry Potter is such an interesting book ________ all kids like to read.

The world considers Japan to be the best prepared to deal with an earthquake emergency. _______, the March 11 earthquake, followed by a strong tsunami minutes later, still left thousands of people dead.

--- Tom, wait a minute.
--- What for?
--- Take an umbrella _____ it rains.

Get up early,         you will be late!

----The 2011 College Entrance Examination has just been over!
----Yes, it will be about two years _____we attend it.

______ both sides accept these terms will everlasting peace be established in this region.

The astronauts found that ______ the spaceship went further and further into space, it became more and more difficult to control its own movements.