199.
M: We are going to play the piano at the contest tomorrow. How do you feel about it?
W: Oh, I'm really worried about it.
M: Me, too.
答案解析：
正确答案为C。根据女子的I'm really worried about it. 我很担心。以及男子说Me, too.我也是。可知，男子也很担心比赛，因此C项正确。

200.
W: I heard you have a great new boss.
M: Yeah. Mr. Watson. He's very intelligent. He invented some products that have made a lot of money for our company. And he never shouts at people.
W: You're very lucky.
答案解析：
正确答案为A。根据He invented some products that have made a lot of money for our company. 他发明了一些产品，为公司赚了很多钱。可知，沃森先生是通过发明产品为公司赢利的，因此A项正确。