根据句子的意思，使用正确的词汇形式填空，使句子意思完整有意义。所填词的首字母已给出。
He has a p____________ (积极的)attitude toward his work; he likes it and does it well.
He c_____________(声称) he won the horse race, though the video showed otherwise.
I don’t know the exact s____________(地点) where the thing happened.
Some university graduates ask to be sent to work in r____(偏远的) and poor rural areas.
Surgeons have made a great b_____________(突破) in the kidney transplantation.
The director cast her in a l_________(主要的) part when she was a young unknown of 16.
I don’t mean to be r________(粗鲁的), but could you tell your children to keep quiet?
The money will be used to p________(提供) the school with new computer equipment.
Only through constant hard work can a person overcome difficulties and e_________(最终) achieve great success.
My children, please r___________(除去) the snow from your shoes before coming in.