Liu Xiang was born in Shanghai _____1983.

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

Research universities have to keep up with the latest computer and scientific hardware __________ price

The accident________to the man who_________ to be a foreigner, so it is hard to deal with.

The professor could tell by the ________ look in her eyes that she did not understand a single word of his lecture.[ ]