The lawyer seldom wears anything but the suit ________the season
Some of the wolves there _________ their fur.
I’m used to ________ in the house which _______ to keep books and magazines.
Stop! You can never touch this machine when it ________, it is very dangerous.
. I think that this film is _______ a film, it is also a good material for education.
I don’t want to read all these old newspapers, please tell me where the __ ones are.