题目

If you had prepared for the conference in advance last week, you ________ in such an awkward position now. A．wouldn't be      B．aren't            C．wouldn't have been   D．won't be   答案：A  As is known to all, _____USA is _____ biggest developed country in the world.A．the; 不填B．不填; theC．the; theD．不填; 不填