171. You should put down your jacket, otherwise both of you will have a quarrel. That will make things worse. The underlined part probably means _____.
How long is it _____ we last spent the holiday in the countryside together?
_____air pollution getting worse, the government needs to come up with some effective measures to deal with it.
—What do you think of the equipment we’ve just bought? —You mean _____ over there? _____ is pretty good.
_____ an important role in a new movie, Andy has a chance to become famous.
—He is from America and majors in Chinese history in China. —_____.