On the first Earth Day, people just _____.
举一反三
- The purpose of Earth Day is ______. A: to help people memorize the earth B: to help people to learn how to protect the earth C: to unite all the people on the earth D: all of the above
- Which country celebrate Earth Day in the first place?
- Earth Day is celebrated _______. A: On the first day of summer B: only in the West C: since 1968 D: since 1970
- 【填空题】Theycan live on the earth _____ because it is just the right distance from the sun.(first)
- Earth Day is celebrated ________. A: on the first day of summer B: only in the Westonly in the West C: since 1968 D: since 1970