湖南卫视台每年都举行电视歌手大赛，每场比赛都有编号为1～10号的10道综合素质测试题供参赛选守岁机抽取作答．在某场比赛中，前两位选手分别抽走了2号题和7号题，第3位选手抽中5号题的概率是______．

用所给动词的适当形式填空。

1. We often shake ______(hand) the first time we meet in formal meeting.

2. She comes here for the ______(one).

3. My English teacher doesn't ______(wear) glasses.

4. She _______ (listen) to music when we called her that morning.

5.The student _______(enjoy) listening the rap music.

6. She is my best ________(friendly).

7. There is a group of children _______ (play) football on the playground.