In that school, English is compulsory for all students, but French and Russian are ______.
The firemen managed to _____ the fire in time.
It was a great _____ for him to be pleasant to people he didn't like.
John was very upset because he was _____ by the police with breaking the law.
He is a very honest official and never _____ any gifts from the people who sought his help.
I could just see a car in the distance, but I couldn't _____ what color it was.