I don't have any -----in learning English grammar,but I often mak_英语解答

I don't have any -----in learning English grammar,but I often make spelling mistakes.
Adifficulty Btroubles Cdifficulyies Dproblems
为什么

人气：356 ℃　时间：2020-05-26 04:09:35

解答

A.difficulty
any意为"任何",后面用单数形式.剩下三个选项都是复数形式.