If we can convince young people _____, they might then urge their parents and other people ____ smoking, too.

The smelly water has been found_______ and no longer usable until the chemicals and wastes are removed from it.

Everyone had an application form in his hand, but noone knew which office ___.

The King’s Speech has become the 83rdOscar winner. I like it very much.— Me, too. I think this is ________ film I’ve seen.

This is Mr．Smith, ________ I think has something interesting to tell you．