----Excuse me,  look at the sign NO SMOKING.----Sorry. I ______ it.

 That rude man seldom uses kind words, ________?

—Mr Wang’s never been to Canada, has he?— ______. He went there on business last week.

--- He hasn’t watched the movie “ So Young”,  has he? --- ______. He told me it was very moving and interesting, he’d like to watch it again.

You have done        an important job       people must be really grateful to you .