用方框中所给词的正确形式填空，使短文通顺、连贯。方框中有两个词为多余项

    Volunteering is becoming more and more popular among people. It isthat there will be more and more youngerin China in a few years, but there is noto wait! Pleaseout to become a volunteer today!

    Xu Hui and Xiao Peng come from the same school. Both oflike to spend their free timeother people. Xu Hui often goes to the hospital. There he can sit and talk to patients andto patients. Yang Lei teaches students in a poor mountain village in Gansu Province as a volunteer. She used toa teacher in a big school in Beijing. Life there is very hard, but it is always full of much. So she doesn't mindthere. She loves her students.