同学,很高兴回答你的问题
正确答案：
1.Everything is ready.
( Nothing ) is ready.
2.Linda has some fruit in her bag.
Linda ( has ) (no) fruit in her bag.
3.There's somebody at the door.
There's ( nobody ) at the door.
4.There's something wrong with my bike.
There's ( nothing ) wrong with my bike.
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不明白请继续追问,
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