There are(有) __ seasons in a year(年).a. five b. three c. four
根据汉语意思选择正确的单词。 拯救 A. save B. svae C. saev
根据汉语意思选择正确的单词。 保护 A. prevent B. protect C. throw
根据汉语意思选择正确的单词。 环境 A. paper B. environment C. litter
根据汉语意思选择正确的单词。 能源 A. fire B. energy C. water
April 22nd ____________ World Earth Day. A. are B. is C. was