There are some biscuits in the bag.改为一般疑问句并做肯定回答
There is a nest in the tree.（改成一般疑问句并作否定回答）
There is a kite in the sky.(改成复数形式的否定句)
There are enough chairs for everyone.【改成反义疑问句（这个上语法还没学,）】
There are ten pupils in the classroom.（对划线部分进行提问.【划线部分为ten】）
There is plenty of milk in the bottle.(对划线部分进行提问【划线部分为plenty of 】)
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