--- How long ____ in Beijing? --- For just the weekend. I’ll be back for work next Monday morning.

--- How long ____ in Beijing? --- For just the weekend. I’ll be back for work next Monday morning.

A．have you stayed    B．are you staying     C．did you stay        D．do you stay

--- How long ____ in Beijing?

--- For just the weekend. I’ll be back for work next Monday morning.

1. A.
   have you stayed
2. B.
   are you staying
3. C.
   did you stay
4. D.
   do you stay

—How long ________ you ________ in Beijing?

— For just the weekend．I'll be back next Monday morning.

A．have; stayed                                            B．do; stay

C．did; stay                                                 D．are; staying