______ the plane had taken off ______ she left the airport.
举一反三
- _____ the plane had taken off _____she left the airport for home.( ) A: It is only when; what B: It was only that; when C: It was only when; that D: It is only then; that
- The plane had taken off before he arrived at the airport.
- The plane __________ when we got to the airport. A: had taken off B: has taken off C: will take off D: is taking off
- By the time I got to the airport, the plane( ) . A: took off B: has taken off C: had taken off D: had been taking off
- When I got to the airport, the plane ______. A: already took off B: had already taken off C: C. has already taken off