世界上最先提出实施海岸带综合管理问题的是哪个国家（）
A.中国
B.英国
C.美国
D.俄罗斯
参考答案：C
—I called you at 6 o'clock yesterday evening, but nobody answered.
— I'm sorry. I my friend download the movie Kung Fu PandaⅡwhen the telephone rang,
A. would help B. helped C. was helping
Nothing but one desk and six chairs ________ in the room.
A．are
B．is stayed
C．is
D．are left
