—When will the plane     ?
--In about fifteen minutes．

—When will the plane     ?

--In about fifteen minutes．

A．take down         B．take away         C．take out           D．take off

—When will the plane     ?
__In about fifteen minutes．

1. A.
   take down
2. B.
   take away
3. C.
   take out
4. D.
   take off

The plane ______ when we got to the airport.

A. had taken off      B. was taken off     C. will take off     D. is taking off