Travel and Tourism: Flying and Airports (B1) #17
What do you need to do before boarding the plane?
cYou can try 3 times. After that, you can choose to see the answer.
Security checks must be completed before boarding.
Next Exercise
What do you need to do before boarding the plane?
cYou can try 3 times. After that, you can choose to see the answer.
Security checks must be completed before boarding.