Earth Day is celebrated ________.
举一反三
- Earth Day is an annual event, celebrated on April 22.
- When Earth Day was founded,it was only celebrated in the US
- Earth Day is celebrated _______. A: On the first day of summer B: only in the West C: since 1968 D: since 1970
- 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
- Which country first celebrated Earth Day? A: China B: America C: Canada D: France