It is in the room _____my father was born in 1932. _____ I was born.    

The modern plane is not the machine _____ it was when first invented.

He attended the contest and _____ is more surprising, won a gold medal.

Why is it _____ he can’t get along well with his classmates?

He has an expression of resentment, _____ Martin had made a fool of him.

The blueprint is to the builder _____ the outline is to the writer.

____ the weather was fine, I opened all the windows.

Criticism and self-criticism _____ necessary _____ it helps us to correct mistakes.

   The famous scientist was going out _____ he found himself surrounded by lots of young people.

Nowadays teens prefer going to the net-bar ______ they can chat with their friends by QQ or play computer games ______ some more reading.