Our lives are becoming ________. 

—You see, “Food Safety” receives thousands of Internet hits a day. —Yes, it becomes one of the _________ topics(话题) these days.

--- Thomas does well in dancing. How about Bob?--- Bob is_____, I think. He once won the first prize in a dancing competition.

-----Why do many people like to ride bikes?----Because bikes not only need ________ space, but also cause _________accidents.

This text is ________easier and ___________interesting than that one.