1.She lives near the plant.
Does she live near the plant?
She lives near the plant. ,doesn't she ?
Who lives near the plant?
Does she live near the plant or near the factory?
2.He considered the buyer’s enquiry.
Did he consider the buyer's enquiry?
He considered the buyer's enquiry, didn't he ?
What did he consider ?
He considered the buyer’s enquiry or the buyer's order?
3.The key is on the table.
Is the key on the table?
The key is on the table, isn't it ?
Where is the key ?
Is the key on the table or on the shelf?