#头条创作挑战赛#ONE vs ONESWe can use ONE to replace a countable noun in the singular and ONES to replace a countable noun in the plural because we
One is food security， another is climate change and the third is the threat of a worldwide outbreak of influenza. 其一是食品安全问题，另一个是气候变化，第三是流行感冒全球性爆发的威胁。
53.Not long ago， our country sent up a rock with two small satellites into space. One weighed 204 kilos and 25 kilos.
代词包括人称代词、物主代词、反身代词、指示代词、疑问代词、不定代词、 关系代词、连接代词代词。It’s necessary that you should read English every morning .
