is the first day . A. Sunday B. Saturday C. Monday
根据汉语意思选择正确的单词。拯救A. saveB. svaeC. saev
根据汉语意思选择正确的单词。保护A. preventB. protectC. throw
根据汉语意思选择正确的单词。环境A. paperB. environmentC. litter
根据汉语意思选择正确的单词。能源A. fireB. energyC. water
April 22nd ____________ World Earth Day. A. areB. isC. was