The science of computer, _____rapid progress has been made in recent years, is the most important of all science.
The exact year _____ Angela and her family spent together in China was 2008.
Police are now searching for a woman who is reported to since the flood hit the area last Friday.
______ the rain yesterday, we _____ such fresh air now.
—How much do you know about the Youth Olympic Games to be held in Nanjing?—Well, the media ________ it in a variety of forms.
—I can't remember those grammar rules!—_________. Practice more.