The book cost me 12 yuan in all, postage ________．

A．included

B．including

C．includes

D．is included

－I was really anxious about you．

－I'm terribly sorry．I________ home without a word．

A．mustn't leave

B．shouldn't have left

C．could have left

D．need have left

What he had said about the incident and done with it ________ our trouble．

A．added up to

B．added to

C．added up

D．were added to

Look!You have failed again．You ________ hard．However, if you study hard from now on, you will graduate with honors, I suppose．

A．should study

B．mustn't have studied

C．should have studied

D．might have studied

The meeting was concerned ________ reforms and everyone present was concerned ________ their own interests．

A．with; for

B．with; with

C．for; about

D．about; with

With a lot of difficult problems ________, the newly-elected president is having a hard time．

A．settled

B．settling

C．to settle

D．being settled

The murderer was brought in, with his hands ________ behind his back．

A．being tied

B．having tied

C．to be tied

D．tied

He looks so upset．I ________ him the bad news so early．

A．should have told

B．should tell

C．shouldn't have told

D．shouldn't tell

It's hard for me to imagine what I would be doing today if I ________ in love, at the age of seven, with the Melinda Cox Library in my hometown．

A．wouldn't have fallen

B．had not fallen

C．should fall

D．were to fall

The boy the teachers considered ________ failed in the final exam, ________ made the teacher very disappointed．

A．to be the best; which

B．as the best student; that

C．to have been studying well; that

D．such as a good student; which