用所给词的适当形式填空。

1. ____ (luck), modern medicine can help people with eye problems in less developed countries.

2. They _____ (plan) a trip to Disneyland at this time yesterday.

3. —Excuse me, where is the _____ (lady) Room?

    —It's over there.

4. I am _____ (excite) about passing the final exams.

5. He speaks Chinese very well, though he is a ____ (Canada).

10月7日，挪威诺贝尔委员会 * * 菲弗宣布，把2016年诺贝尔和平奖授予（）总统桑托斯，以表彰其为结束该国历时50多年的内战所作出的努力。

A.哥伦比亚

B.玻利维亚

C.委内瑞拉

D.墨西哥