_______the population of China?_______over 1,300,000,000.
The train has gone ___________ the tunnel. We can’t see it.
—The light is still on in his room. Do you know ___________ ?—Maybe he has to study for a test.
—What do you think of Mary’s dress?—I think it still looks quite fashionable on her _______ it is a style of many years ago.
— It’s cloudy now. I hope the clouds will _______ later on. — I hope so.
—He ______ be in the classroom, I think.—No, he ______ be in the classroom. I saw him go home a minute ago.