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Unit 92
(Peter, please wait a minute. I have to look for something.
What are you looking for?
Peter, I can’t find the keys.)
I can’t find my keys.
Where did you see them last?
Where did you last see them?
I can’t find my keys.
Where did you see them last?
I lost the key to my room.
I lost the key to my car.
Hard work is the key to success.
