—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

Your teacher ________ very angry at that moment because you talked back to her like that.

A．should have been  B．must have been

C．must be  D．might have been

Thanks to my teacher's valuable help, otherwise I ________ my college entrance exam.

A．can't pass          B．hadn't passed

C．would not have passed  D．have not passed

Oh, I'm not feeling well in the stomach. I ________ so much fried chicken just now.

A．shouldn't eat  B．mustn't have eaten

C．mustn't eat  D．shouldn't have eaten

She often shares her deepest thoughts and fears with friends through QQ, as if they ________ chatting in her living room.

A．were      B．are

C．had been  D．has been