(2013·重庆高考)—What are you doing this Saturday?
—I'm not sure, but I ________ go to the Rolling Stones concert.
A．must B．would
C．should D．might
(2012·全国卷Ⅱ)I'm going to Europe on vacation together with John if I ________ find the money.
A．can B．might
C．would D．need
(2013·湖南高考)He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.
A．wouldn't B．shouldn't
C．couldn't D．mustn't
(2013·江西高考)When I was a child, I ________ watch TV whenever I wanted to.
A．should B．could
C．must D．need
—Which one of these two dictionaries do you advise me to buy, Oxford or Longman?
—Well, take Oxford. I think it is the ________ of the two.
A．best B．better
C．good D．well
Nothing that you say can change his mind, ________？
A．do you B．don't you
C．can it D．can't it
