中国大学MOOC: You will have to fasten the ______________before the plane takes off.
举一反三
- 中国大学MOOC: There is only______time left before the plane takes off.
- For your own ______, please fasten your belts before the plane takes off. A: safeguard B: B. save C: safety D: safener
- We were told to fasten our seat belts before the plane took off.
- What are late-airport people probably doing several minutes before the plane takes off?
- You must check ( )at the airport an hour before your flight takes off.