美国GDP的75%是靠消费需求带动的。由于金融危机的爆发,引发经济消费需求增速下滑,导致美国经济出现危机。这表明 ( )
—Will you come? —________you promise not to invite Mary.
They ________ to enter the building by the back door; however, the front door was locked.
He _________his friend in the crowd at the first sight and called out his name.
Used to TV shows, ________ everything is quick and entertaining, many people do not have the patience to read a book that requires thinking.
According to the government, the new tax law will not ________until next month.