---Have you read the timetable ? ---Yes . The train ____ at 10:12 p.m..
The reading room needs _____, but it’ll have to wait until Saturday or Sunday.
The environment will be further polluted unless some measures _____.
—May I go out tonight? —Of course you can, _____ you promise to be back before 10 o’clock.
The company ran into trouble when it tried to expand too quickly, _____ was that it was short of money.
The scenery of Jiuzhaigou Valley _____ the tourists from all over the world.