题目内容：

put it down,Tom:you mustn't read ( ) letter
A.anyone's either's B.anyone's else C.anyone else's D.anyone else
并说明一下理由

优质解答

C something,anything,nothing,someone,anyone,等这些不定代词在被形容词修饰时要放在形容词的前边,anyone else意为其他任何人,后边的letter为名词,故要在else后加 ' 变成形容词.