纠正答案如下
首先你应该少写了一个单词
I don't think IT possible to master a foreign language ___ memory work
仔细想来还是without 比较好一点
应该是我认为,不通过记忆你不可能掌握一门外语
如果是强调死记硬背的话应该下面这样一来说比较好
I don't think IT possible to master a foreign language Only by (或者through 均可)memory work
所以就你上题而言without 是比较好的