—Final exams are forcing many students to bum the midnight oil.—That's true,but late has a bad effect on their health.
-- is it from Beijing to your hometown? --More than 30,000 miles.
The little boy pretended when his mother came in .
Eric's never seen a 3D movie at the cinema ,.?
Never ask the of an old woman in western countries , because it's impolite .
--What terrible water! -- Er,things are getting better. Our government is trying its best.