______ is no possibility _____ the shy girl can win the first prize in the English speech contest.

So quickly are science and technology advancing ____ is a possibility today may be a reality tomorrow.

President Obama is letting Congress write the details of his plan for ________ he calls health insurance reform.

. Now everyone is concerned about how to conquer the economic crisis _______ is very important for us to be able to preserve our standard of living.

Canada's economic wealth is closely linked to _______ of the US, which buys three-quarters of its exports.

People can find so many good things, such as useful information and lovely pictures on the web, __________ it is also a global village filled with bad things.

The science of computer, _____rapid progress has been made in recent years, is the most important of all science.

—What did the miner say after he was rescued?
—He would never forget his stay there _____ he and other 152 miners had a terrible experience.

One of the men held the view _____the book said was right.

_____ is it about the case _____ FBI is so interested in?