---I have looked for my keys everywhere, but I can’t find them.---Sorry to hear that. You _____ them somewhere.
Mike hasn’t showed up yet. Why do you think ________?
Mr Jackson was very angry to find the car he had had ______ yesterday broke down again.
Please tell me the way you thought of ________ the garden.
Every possible ________ advanced technologies to help people enjoy a better life.
We discussed where to go for the weekend, but we decided to stay at home ________.