A Korean survey shows that shopping cart handles are the most bacteria-carrying items among some ________used objects

下列各句中，加框的成语使用恰当的一句是（　　）

Mike didn’t play football yesterday because he had _____his leg. [ ]

I wonder how much you charge for your services.—The first two are free the third costs $30.

Who will ______ your dog when you all go out for aholiday