Her________（society）life got in the way of her study．
The news spread________（rapid）from mouth to mouth．
The old man wanted to move to a________（peace）place．
（2013甘肃兰州）It’s a（an）________（usual）experience，few people have chances to do it．
（2013江苏盐城）What do you think is the greatest________（invent）of the twentieth century？
I met some________（German）on my way home．They asked me the way to the museum．
