----_______should I take this medicine, doctor?

  ---- Three times a day. 

A. How often      B. How soon    C. How long         D. How much

 Nothing could stop the big ship ______ down.

A. to go                B. from going      C. went                  D. goes

Don’t get on or off the bus ______ it stops.

A. when             B. if                   C. as soon as          D. until

The sick woman is weak look after herself.

A. too; to B. so; that C. very; to D. so; to

----Would you please tell me how to get to the museum?

  ----Yes. Go along the street. It’s on the left of the hospital. You can’t___ it.

A. find            B. miss         C. forget           D. pass

----We are free this afternoon. Let’s go to play computer games.

   ---Well. I think I’d better watch an English program____.

A. too            B. either         C. then            D. instead

----What are you going to do next Sunday?

  ---- I’m not sure. I___ go shopping with some friends.

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

 The doctor ____Mrs. Brown carefully and said, “Don’t worry, Madam. There’s nothing serious with you.”

A. looked over     B. looked up      C. looked into       D. looked for

 ----Do you live alone, Mr. Wang?

  ---Yes. I have two children. But _   _of them lives with me. They are now studying in England.

A. either        B. both           C. neither        D. all

 ----Must we finish the work today? 

---- No, you ____.

A. can’t         B. needn’t        C. mustn’t        D. may not