他每个问题都回答不了 的英文是 he can't answer neither of these questions 还
他每个问题都回答不了 的英文是 he can't answer neither of these questions 还是 he can;
他每个问题都回答不了 的英文是
he can't answer neither of these questions 还是
he can't answer either of these questions.
neither是任何一个都不,那不是双重否定了吗?