They are guarding the _____________, to stop people from coming into the country.
border
He is not ____________ how to solve the problem.
certain
He _________ his seat belt.
buckled
The plane has _____________ed the airport.
depart
The tiger looks ____________, you should be careful.
fierce
A long time ago, the man went on a __________________ by boat.
journey
You need to ____________ something closely to understand it.
observe
Goal! His kick was _______________.
superb
Pirates are always looking for buried __________________.
treasure
Yoda has a lot of ____________. You should listen to him.
wisdom
The sword has a sharp ________________.
edge
