阅读短文，回答问题。
Sam, Amy, Lingling and Daming are in the zoo. Look! These are monkeys. They’re jumping. They are naughty. These are tigers. They are eating. Oh! Those are elephants. They are so big. That is a bird. It’s singing.
1．Where are the children?
________________________________________________2．What are these monkeys doing?
________________________________________________3．Are these tigers naughty?
________________________________________________4．Are those elephants big?
________________________________________________5．What is that bird doing?
________________________________________________ 
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