The team are working hard to ___ the problem so that they can find the best solution.
One should remain ______ and think of ways to escape when facing danger.
After the earthquake, the local rescuers looked everywhere______ the survivors.
There is no doubt ______ they all passed the examination.
— What do you think of Jenny? — Well. She is pretty, but I don’t like the way ____ she stares at me.
— Do you agree that lions and tigers ______ the cat family?— I have no idea.