When Earth Day was founded,it was only celebrated in the US
举一反三
- 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
- Earth Day is celebrated ________.
- Earth<br/>Day is celebrated ________. A: on<br/>the first day of summer B: only<br/>in the West C: since<br/>1968 D: since<br/>1970
- Earth Day is an annual event, celebrated on April 22.