问题详情：
1.I find ______________(义务的) work to be very useful for teenagers.
r ___________(毕业) from university, he plans to go to the countryside to work as a teacher.
3. You shouldn’t use formal words in p_____________ letters to friends.
4. ______________ (广告) usually attempt to attract people’s attention.
5. I often play games with my family to r___________ my stress.
【回答】
1. volunteer 2. graduation (graduating) onal 4. Advertisements 5. reduce
知识点：其他
题型：单词拼写
