It is one of the funniest things ____on theInternet so far this year.

(2013·陕西，16)________ is often the case with children，Amy was better by the time the doctor arrived.

When crossing the street, you should always ______ the traffic.

I am certain by no means ________ his word since he has promised an amount of money to the poor.

Sorry indeed. I______ to your birthday party if …—Forget it. I know you were out on business.