Read the passage and choose the correct answer to each of the following questions Earth Day is an

Câu hỏi :

Read the passage and choose the correct answer to each of the following questions.
Earth Day is an annual event celebrated around the world on April 22 with the aim to raise public awareness of the world’s environmental problems. The first Earth Day was held in 1970 in the USA. John McConnell the promoter of Earth Day campaigned to celebrate the Earth on March 21,1970. In response to John McConnell’s movement, the US city of San Francisco officially announced March 21, 1970, and then Secretary-General of the United Nations u Thant announced it as International Earth Day. But later, the major of the annual group celebrating Earth Day believed that after the Resurrection was truly Earth Day, and they celebrated It on April 22 every year. The second Earth Day was launched by Gaylord Nelson, a former Wisconsin Democratic senator, on April 22, 1970 with 20 million participants. It is first born from 1970, but until 2009 officially recognized by the United Nations. On Earth Day, people often organize activities aimed at protecting the environment such as saving energy, planting green trees, collecting garbage. Today more than 500 million people in 175 countries celebrate Earth Day.
The first Earth Day was celebrated__________.