----It’s a long time since I saw Kevin. What has happened to him?----Well, to tell you the truth, he _______ for nearly a month.
Children under sixteen are forbidden to see such films _____ bad for their mental development.
I have been keeping that photo _______ I can see it every day, as it always reminds me of my university days in London.
.— Could you please tell me ______? — It’s next to the post office.
Beijing, the capital of China, is one of ______ cities in the world.
— Whose notebook is this? — It could be ______.She studies French.