Ôn thi Cấp tốc 789+ vào 10 môn Tiếng Anh (Đề 16)

According to the passage, Earth Day began because ________.

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According to the passage, Earth Day began because ________.

people were working hard to make the air and water cleaner


different governments decided it was a good idea

one man wanted people to know about the planet’s problems

people had started to worn’ about damage to the environment