The correct answer is: He used to go.
Explanation:
The phrase "used to" is always followed by the base form of the verb (infinitive without "to"). "Goes" is the third-person singular present tense form, which is incorrect here.
اذا كان لديك إجابة افضل او هناك خطأ في الإجابة علي سؤال He used to..........(Goes) اترك تعليق فورآ.