—The light in his office is still on. Do you know _______?—To prepare for the material(材料) the meeting will need tomorrow, I think.
Mary _____ go to bed ______ her mother came back last night.
Please eat more fruits ______ apples and bananas.
The first story is _______ than the second one.
—What’s the matter with Jim? —______.
______he has a lot of money, ______he is not very happy.