请认真阅读下面各小题，并根据提示写出正确的单词。
I have to believe that encouragement is so _____________ (强有力的) that it can change a person.
I’m g___________(感激的) to my teachers’ help.
I’ve known Lucy for years. __________(实际上)，we have been good friends since our childhood.
The people ___________(受伤) in the accident were sent to hospital without delay.
Every year, many natural ___________(灾难) happen all over the world.
Lucy! I’m sorry I didn’t r___________ you. You’ve had your hair cut.
Father is thankful to me for p____________ him to give up smoking.
Some people hold a wrong a___________ towards the disabled.
She refused to give the taxi f________ because of the delay.
He b________ into tears at the news that both of his parents died in the Yushu earthquake.