动词短语 — 英语选择题

志愿者活动中，Mia想让新来的孩子开心起来；Leo负责把传单分给来访者；因场地临时关闭，清理旧书角的活动要延期。选择短语填空：Mia wants to ___ the new children, Leo will ___ the leaflets, and they have to ___ cleaning the old book corner. A. cheer up; give out; put off B. clean up; put off; give out C. give out; cheer up; put off D. cheer up; put off; clean up