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―________ for Beijing?

       ―Yes. And I’ll come back in three months.

              A. Have you left                                B. Are you leaving

C. Do you leave                                 D. Did you leave

―________ for Beijing?

 ―Yes. And I’ll come back in three months.

A. Have you left     B. Are you leaving

C. Do you leave      D. Did you leave

―________ for Beijing?

 ―Yes. And I’ll come back in three months.

A. Have you left     B. Are you leaving

C. Do you leave      D. Did you leave

―________ for Beijing?

―Yes. And I’ll come back in three months.

A. Have you left　　　　　 　　　　　　　　　 B. Are you leaving

C. Do you leave D. Did you leave

―________ for Beijing?
 ―Yes. And I’ll come back in three months.
  A. Have you left     B. Are you leaving
C. Do you leave     D. Did you leave