---David, why are you so excited?---My father has made a ______that he will take me to Tibet next month..
— Tom, you are going to buy a new flat here, aren’t you? — Yes, but I can’t _____an expensive one.
—Open the window, please. —Certainly. Which one? _____ beside the door?
—I’m going to take my driving test tomorrow. —_____!
I felt it hard to keep up with my classmates. But when I want to _____, my teacher always encourages me to work harder.
Bill won’t make any progress_____he studies harder than before.