(2012·上海高考)The new law states that people ________ drive after drinking alcohol.

A．wouldn't                         B．needn't

C．won't                            D．mustn't

(2010·北京高考)—Good morning. I've got an appointment with Miss Smith in the Personnel Department.

—Ah, good morning. You ________ be Mrs. Peters.

A．might                     B．must

C．would                     D．can

(2011·江西高考)It ________be the postman at the door.It's only six o'clock.

A．mustn't                    B．can't

C．won't                      D．needn't

(2013·安徽高考)It ________ be the vocabulary that caused you the problem in the exercise because you know a lot of words.

A．may                        B．couldn't

C．should                      D．needn't

(2013·重庆高考)—What are you doing this Saturday?

—I'm not sure, but I ________ go to  the Rolling Stones concert.

A．must                          B．would

C．should                         D．might

(2012·全国卷Ⅱ)I'm going to Europe on vacation together with John if I ________ find the money.

A．can                              B．might

C．would                            D．need

(2013·湖南高考)He ________ sleep, although he tried to, when he got on such a hunt for an idea until he had caught it.

A．wouldn't                          B．shouldn't

C．couldn't                          D．mustn't

(2013·江西高考)When I was a child, I ________ watch TV whenever I wanted to.

A．should　　　　　　　　　　         B．could

C．must                              D．need

—Which one of these two dictionaries do you advise me to buy, Oxford or Longman?

—Well, take Oxford. I think it is the ________ of the two.

A．best B．better

C．good D．well

Nothing that you say can change his mind, ________？

A．do you B．don't you

C．can it D．can't it