中国大学MOOC: My uncle hurried to the airport but the plane had already .
举一反三
- When we got to the airport the plane had already ________.
- When we ________ to the airport, we learned that the plane had already ________ in Shanghai.
- He drove at top speed and read the airport only (find)（）the plane had already left.
- When I got to the airport, the plane ______. A: already took off B: had already taken off C: C. has already taken off
- When they arrived at the airport, the plane _______. A: already set off B: set off already C: had already set off D: has already set off