英语谜语定语从句

1.what month do soldiers hate 2.what kind of dog doesnot bite or bark 3.what is the smallest room in the world 4.what kind of water should people drink in order to be healthy 答案：1.March 3月 (March有行军的意思) 2.Hot dog(热狗) 3.Mushroom.(蘑菇最小) 4.fresh water(淡水)