题目内容：

用所给单词的正确形式填空。

1.Many students enjoy _______ (play) computer games.

2._______ (million) of people are speaking English throughout the world now.

3.Please speak more ________ (slow), or I can’t follow you.

4.He is very ________ (excite) at the news.

5.Fei Junlong and Nie Haisheng traveled around the earth in ShenzhouⅥ. They are our

national _______ (hero).