(2013·江西九江二模)If you won't do as I tell you, you ________ get the chance to be promoted because the competition is just too fierce.
A．couldn't B．mustn't
C．shouldn't D．shan't
(2013·江苏南通市二模)We ________ have hurried all the way to the airport — the flight was called off because of the foggy weather.
A．mustn't B．couldn't
C．needn't D．wouldn't
(2013·四川省都江堰市二模)—Mike, I can't find my watch anywhere.
—You ________ it while working out.
A．may have lost B．could have lost
C．would have lost D．should have lost
(2013·成都第二次诊断)—Where did you get this book?
—I picked it up from a secondhand bookshop if you ________ know.
A．must B．will
C．can D．shall
(2013·四川省六校二模)Jack is an outgoing child, usually kind and helpful, but he ________ lose temper sometimes.
A．must B．would
C．can D．should
(2013·陕西西北工大附中一模) ________ a little earlier, you could have got a copy of his latest book.
A．If you would arrive B．If you arrived
C．Should you arrive D．Had you arrived
