What’s wrong with your finger,Alice?—It when I was chopping vegetables

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

Only by hard working can you _______ the goal.

Beijing ______a lot in the past ten years. Now it hasbecome one of the biggest modern______ in the world.

The fact that so many people still smoke in public place ___that we may need nationwide campaign to raise awareness of the risks of smoking.