单词拼写(共5小题；每小题1分，满分5分)
根据首字母及汉语提示，完成下列单词的拼写，使句意明确，语言通畅。
Today, I want to i___________(介绍) a new student to all of you.
What about reading aloud to practice p____________(发音)？
Excuse me, sir. Can I see your driver’s l______________(执照)?
The air pollution in this area caused the d________(死亡) of many trees.
He is t__________（害怕）of speaking in public.