Unit 49 May I sit here?我可以坐在這兒?jiǎn)?

Unit 49 May I sit here?我可以坐在這兒?jiǎn)?
    (May I sit here?)
    May I sit here?
    By all means.
    May I ask a question?
    May I sit here?
    By all means.
    Of course.
    Could you give me a ride to the supper market?
    By all means. Of course.
    Hope to see you next time. Bye-bye.