Mum, would you please buy me an MP5 player?—If you can help do the dishes the whole vacation, you ________ have one as a reward.

Every time any more．

According to our school rules, no student ____ be permitted to carry mobile phones in class.

The companies are working together to createthey hope will be the best means of transport in the 21stcentury.

The global financial crisis(金融危机) has made many people ______ their money.