—________I visit Lucy on Sunday，Mum?

      —Yes，you________.

      A．Must; can                 B．May; may             

      C．Need; need            D．May; need

He was taken away by the police. He ________ for a robber.

     A．must be mistaken       B．must have been mistaken  

     C．must mistake          D．must have mistaken

 —Write to me when you get home.

    —________.

     A．I must      B．I should       C．I will     D．I can

You can’t imagine such a shy girl ________ be so brave to say that.

      A．might      B．need        C．should     D．would

—What happened to the young trees we planted?

—The trees ________well，but I didn’t water them.

　　 A．might grow　　　 B．needn’t have grown

　　 C．would grow　 　 D．would have grown

—Will you stay for another hour?

—Sorry，I________. One of my best friends is coming to see me.

　　 A．mustn’t　　 B．can’t　 C．needn’t　　 D．won’t

The traffic light is red，so I ________ stop my car.

     A．must       B．have to   C．can       D．mustn’t 

 My parents never remember my phone number，and they always________ look it up every time they call me.

     A．can        B．must      C．should      D．have to

Mr Bush is on time for everything. How ________ it be that he was late for the opening ceremony?

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

 Often when I passed the village，I________ them working on the farm.

      A．will see     B．would see  C．must have seen   D．must see