The Sears Tower is _______ building in Chicago.

Earning money has always been the thing that pleases him most. _____ hebecomes, _____he is.

Peter is _______ John.

Thanks to the progress of science and technology, our lives have become_______.

The climber was seventy miles in the wrong direction and got _______.

The faster we finish, _______.

 The Mekong Delta is _______ deltas in Vietnam.

You must drive slower in built up areas. _______ you drive in the city, itis _______ that you will have an accident.

He spent a year in India and loves spicy food. _______ the food is,_______ he likes it.

We need _______ information about this English course.

Robert does not have _______ Peter does.

As she did so, her parents became _______.

People should eat ____ and do ____ to reduce the risk of heart disease.

My neighbor is driving me mad! It seems that _______ it is at night,_______ he plays his music!

It gets _______ to understand what the professor has explained.

It gets _______ when the winter is coming.