—Jenny took the 8： 00 bus to Guangzhou this morning.
—Really? She ________ the 9：00 train. It's much more comfortable and safer to travel by train.
A．could have taken B．should take
C．must have taken D．can take
—You will never believe that it took us two hours to get to the restaurant.
—Really? You ________ in a traffic jam.
A．needn't have got stuck B．couldn't have got stuck
C．must have got stuck D．should have got stuck
—Jim is very sick these days. He coughs so badly.
—In my opinion, he really ________ listen to the doctor and cut down on smoking.
A．should B．can
C．may D．need
—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
When Harry was at college, he ________ go to the reading room after supper every day.
A．should B．might
C．would D．could
Don't be angry with us. We ________ with you together, but we were busy with our final reports when you called in.
A．would eat out B．must have eaten out
C．should eat out D．could have eaten out
