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I’m not sure whether this is the book ______ my brother read the year before last.

Many crimes are committed by some bad people， an example of which is fraud， a crime 　　　　 money is stolen by cheating others.

The infrastructure of a country is 　　　　 makes everything run smoothly， including things like transport， irrigation， electricity， postal service， telephones and schools.

------ The authors of computer viruses are geniuses.
------ I agree. They can apply their wisdom to other net technology ________ human beings can benefit.

I’m lucky _______ the thing I enjoy doing more is ________ I’ve ended up doing.

After several years, he changed a lot and looked different from _______he used to be.

The story is very interesting, and it is _______.

What _______to go swimming in a river in summer!

         ______ you look at it, the fast, exciting pace of life in New York city is fascinating and will continue to fascinate more and more people.

The athletes, especially the winners, should remain modest ____ rapid progress they’ve made.