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1. There are sixty m__________ in an hour.
2. Today we rarely(很少) see s__________ pouring from chimney.  
3. Women commit (犯) far fewer c__________ than men.
4. All of us should put r__________ into dustbin(垃圾箱) to protect the environment.
5. It is very impolite for you to fail to keep an a__________.

1. There are sixty m________ in an hour.
2. Today we rarely (很少) see s________ pouring from chimney.
3. Women commit (犯) far fewer c_________ than men.
4. All of us should put r_________ into dustbin (垃圾箱) to protect the environment.
5. It is very impolite for you to fail to keep an a_________.