The science of computer, _____rapid progress has been made in recent years, is the most important of all science.
_____around the Water Cube, we were then taken to see the Bird’s Nest for the 2008 Olympic Games.
The man pulled out a gold watch,_____were made of small diamonds.
He doesn’t have_____furniture in his room --just an old desk.
The message is very important, so it is supposedas soon as possible.
I ate_____sandwich while I was waiting for_____20:08 train.