中国大学MOOC: The window shades should be ________ for take-off.
举一反三
- The window shades should be ________ for take-off. A: pulled up B: pulled down C: stowed D: reclined
- 中国大学MOOC: You should take complete _____ for the accident.
- 中国大学MOOC: The flight can take off if there is a thunderstorm at the destination airport.
- 中国大学MOOC: When greeting, Japanese do not have to take off hats.
- 中国大学MOOC: In what cases flights can’t take off on time?