39.-Do you mind if I sit here?

   -       . It’s for Mr. Brown.

  A.Not at all                B.Never mind                C.Better not                   D.Of course not

38.-Excuse me. Could you tell me       get to the airport?

   -Certainly. Go straight along here.

  A.how can we                        B.how we can                C.when can we               D.when we can