首字母填空1篇(初二水平)急!

问题描述:

首字母填空1篇(初二水平)急!
Mary is a 20-year-old girl.Her mother is proud of her because she is a Red Cross nurse. As soon as Mary finished school,she j___________ the Red Cross and was t___________ as a nurse.She was taught that if she meets an accident,she should give the first-aid at once and then s___________ for a doctor.
One day,there was an accident in a busy street.When Mary arrived soon,she saw a woman who had been knocked down by a car l___________ on the street.Mary told the crowd(人群) she is a Red Cross nurse and began to help the woman.She gave the woman a small medical treatment at once.After a while,an ambulance(救护车)arrived.The woman was very g_________ to Mary.Mary said,“You're welcome.It’s my d_________!”

joined
trained
sent
lying
grateful
duty6没学过啊it's my duty .意思是‘是我的责任’可是,没学过= =是教科书上的还是教辅书的?如果是教辅书上的有不学过的单词很正确!老师出的学案,当然这就是作业答案就是填duty