22.　 Did you see the people’s ________ (面部的) expressions?

21.　 When we got home, my mother was busy _________ (准备) dinner.

20.　 I couldn’t feel the e_______ of the thin mountain air as soon as we got to the top.

19.　 The boy ran to the side of the swimming pool and d_______ off.

18.　 It’s a we_______ fact that smoking can cause lung cancer.

17.　 The Los Angles Lakers and New Jersey meet in the NBA f______ for the fist time.

16.　 I have nothing f______ to say. Don’t you think the meeting should be over now.

15.　 We need these computers _________ (非常).

14.　 You can get championship only if you beat the other ______ (竞争者).

13.　 Your answers are _________ (对的)while his are wrong..