1. People in the world all want a _______ (和平的)environment.
2. We asked him to assist us in _______ (设计) a new bridge.
3. The _______ (志愿者)for community service are doing a good job.
4. He needs a high income to _______ (供养)such a large family.
5. The matter can wait until the next meeting; it’s not ______ (紧急的).
