单词拼写（共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，语言通顺。
His words are strongly i__________(使印象深刻) on my memory.
What about reading aloud to practice p____________(发音)？
As a teacher, you must c______________(全神贯注) on your work .
The air pollution in this area caused the ________(死亡) of many trees.
He is t__________（害怕）of speaking in public.