those boys helped one another in their studiesA each other B one _英语解答

those boys helped one another in their studies
A each other B one another C one and another D each and other
请问为什么呢
这四个都是互相的意思可是有什么不同呢

人气：224 ℃　时间：2020-04-03 07:23:11

解答

each other 指两者之间；而本题的主语是those boys,指三者或三者以上用的是one another.