Has it been announced _____?
A: when are the planes to take off
B: that are the planes to take off
C: where are the planes to take off
D: when the planes are to take off
A: when are the planes to take off
B: that are the planes to take off
C: where are the planes to take off
D: when the planes are to take off
举一反三
- Planes take off and land there.
- ____________ the area from which planes take off at an airport.
- There was a heavy fog this morning ,so none of the planes could _____. A)get through B)take off C)pull out D)break away
- Don’t forget to take your bag when you ______ the bus. A: get off B: take off C: turn off D: put off
- The plane __________ when we got to the airport. A: had taken off B: has taken off C: will take off D: is taking off