Now all passengers show their ID cards and go through the safety check before they take a train.
—It’s too hot. Would you mind _______ the door? —_______. Please do it now.
—_______ do you _______ about spring? —The flowers and the green trees.
He has decided to live abroad, so he will ________ stay here.
—Could you tell me who invented _________ telephone? —_________ Scotch scientist named _________ Alexander Graham Bell.
She is a good student, and works very hard, _________.