I go to school by ________ bus and come home on ________ foot.

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Many children go to the zoo on October 4 to see elephants,monkeys and tigers because that day is World Animal Day.

Now,more children like animals and want to make friends with them.In the zoo,they learn about animal life.They don’t need to go out to show their love of animals.They have pets(宠物)at home.
Mark is a middle school student.He has a black cat.He gives it milk to drink and meat to eat.The cat is his true friend.Jane is also a middle school student.She has two tortoises.They are as big as her hand.Every day,she changes(换)the water for them.She likes to watch them.
【小题1】October 4 is______.