(   ) 7. People         drive after drinking alcohol (酒) .It's against the law.

   A. mustn't   B. needn't

   C.  couldn't   D. wouldn't

(   ) 6. —Is David coming by train?

―He should,but he        not. He likes driving his car. 

A. can   B. need   C. must   D. may

(   ) 5. ―Do you have any plans for this Sunday?

I'm not sure. I       go to the  countryside to see my grandmother. 

A. can   B. must   C. may   D. need

(   ) 4. Nowadays all passengers       go through safety check before they take a train. 

   A. can   B. may

   C.must   D. will

(   ) 3. —Look!It         be David in the classroom. 

―It       be him. Because I saw him in the library a moment ago.

 A. may;mustn't   B. must;can't   C. can;can't   D. mustn't;can

(   ) 2.  —Must I water the flowers now,Mom?

—No,you      . You       do it later.

   A. mustn't;must   B. mustn't;may   C. needn't;may   D. needn't;must

(   ) 1.  The lady in red        be over fifty!She looks so young.

   A. must   B. mustn't

   C.  can   D. can't

3. flowers,what,are,beautiful,they(连词成句)

2.Our school is beautiful.(改为感叹句)

                   our school is！

1.It is a very exciting basketball match.(改为感叹句)

                exciting basketball match it is!