1.There are some cakes in the fridge.(改为否定句)
There are not cakes in the fridge.
3.There aren’t any computer room sin school.(同义句转换)
There computer room sin school.
4.Mike is standing behind me.(同义句转换)
I am standing Mike.
5.There are twenty trees in the garden.(对划线部分提问)
trees are there in the garden?