题目内容：

work hard ,or you can‘t pass the Chinese exam  su____.
The game is full of da____.You should take care.
Without good manners,you are unable to win re—— from other people.
It's raining heavily,so we have to ca___ the football match to next week,
The young should make ro___ for the old on buses.

优质解答

successfully
danger
respect
cancel
room
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