The role of Chinese Dama in the economy has been over-estimated by some western media ______ their “gold rush” has had little influence on gold prices.

Two professors at Harvard University published a study of 3,300 new graduates, looking at ______ their names had any bearing on their academic performance.

______ I’m well again, I can go on with my work.

The relatives of the passengers in the missing Flight MH370 cann’t hide their feelings, _____ they can make sure that the plane will make a safe landing on the airport.

Children’s brains cannot develop properly _________ they lack protein.

Milk will turn sour soon on hot days ______ it is stored in the refrigerator．

______  it is getting dark.，we’d better hurry

_____ she was very tired, she went on working.

They looked very excited　　　　they had won the football game.  

The teacher spoke slowly ________ the students might take notes.