Those boys helped ____in their studies.

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Those boys helped ____in their studies.
A each other B one another C one and another D each and other
这里的答案明显D是错的...但ABC应该怎样选择,....

A each other 和 B one another 都是对的.如果非要选一个,那么以 B one another 为佳.
each other 用于两人之间“互相,彼此”,one another 用于三人以上的“互相,彼此”,但在现代英语中,它们之间的界限越来越模糊,几乎通用了.

those boys helped one another in their studies The twins helped( )in their studies Greek boys helped their parents work and had h______like fis 用smart.those.are.their.outfits.very.in.boys连词成句 those boys are______________ Those are their sketchbooks. They went abroad to further their studies Those are their teacher改错 who,those,over,are,boys,there,young(?) those are boys.改为单数句 The way the guests ____in the hotel influenced their evaluat kim always studies english very hard.so he always ____in the