Unit 92 I can’tfindmykeys．我找不到我的鑰匙。

Unit 92 I can’tfindmykeys．我找不到我的鑰匙。
    (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.