“We give him a book.” The structure (结构) of sentence is .

nment-friendly Olympics requires Beijing toimprove its environment, turning itinto an ecology-friendly city.

Could I sit here—________. It’s Mr. Li’s seat.

, about 40 houses have fallen down underthe weight of the snow , with 22people

Are you going to have a holiday this year?—I’d love toI can’t wait to leave_____this place.[ ]