-_______ I tell the head teacher all that has happened??　

-No, you _______! Mr. Xin would be terribly angry.

　 A. Will; needn’t 　   B. Would; can

　C. Should; mustn’t 　 D. Must; don’t have to

As is natural, a man as old as he ____ be very forgetful.

　A. can 　　　　                   B. should 　　　　        C. would 　　　　D. must

If the south had won the war, what is now the United States _____ divided into several countries.

　 A. will be 　 B. might have been  C. should be 　 D. must have been

 —“Crash diets” make us lose weight fast and I am all into that.

—But it_______better to work out.　      

A. had　　　　 B. would be　　　　 C. wouldn’t have been　　　　 D. must have been

If the south had won the war, what is now the United States _____ divided into several countries.

　 A. will be 　 B. might have been  C. should be　　　 D. must have been