填空题then→then。

单项选择题A．650 millionB．750 millionC．a billionD．10 billion

单项选择题It was hard to be sure which gear the car was about to engage. Several times I hit fifth gear when aiming for third. Chrysler apparently anticipated this problem, as a brief warning chimes to let you know when you’re in reverse. In the last 3rd paragraph, this means that______.

填空题means→meant。

单项选择题A．It is not sure whether the Doha round can be finalized in several months.B．148 nations are involved in this round.C．These nations have to achieve a deal before they reach an agreement on the negotiating package.D．WTO chief is not pessimistic about the futur