The Great Wall istourist attraction that millions of people pour in every year.
so a well-known
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Many people like to talk about generation gaps. I don’t think there is in my family, though.
-- It's so cold! Why are your windows still open? --- Oh, they _______.
In __face of the global financial crisis, we must be all of __mind.
--- I haven’t got the reference book yet, but I’ll have a test on the subject next month. --- Don’t worry. You _______ have it by Friday.
—Mom, I haven’t seen my aunt for a long time. —____________.
—Mom, I haven’t seen my aunt for a long time.
—____________.