I. Choose the best answer. 1. We often organize exhibitions to _______ funds for poor children. A. donate B. raise C. volunteer D. offer 2. Community _______ is the work we do for the benefits of the community. A. working B. service C. profit D. project 3. It’s a pity that I _______ “Green Summer” programme last year. A. joined B. didn’t join C. join D. don’t join 4. We should help people _______, especially the poor, the elderly and street children. A. in need B. in case C. hardly D. hard 5. They need _______ to help clean up the streets after the flood. A. volunteers B. healthcare C. contributions D. charity 6. According _______ a recent survey, 40 percent of young people aged 16 to 24, who live in Britain, have done voluntary work. A. for B. with C. to D. from mình nghĩ là do mình nguu ai giúp mình được ko ( có giải thích càng tốt ạ)