If you let pressure benefit ___________upset you, much more can be accomplished than you thought possible.

I’m tired out. I stayed up the whole night, ______ for my midterm math exam. [ ]

The Kings ____ Beijing at ten last night.

So difficult it to work out the problem that I decided to ask Tom for advice. [ ]

Eddie is eight years old， but we have seven candles only， we need ________ candle.