Soru: What are you going to do next weekend?
A) I am going to visit my grandparents.
B) I visited my grandparents last weekend.
C) I am visiting my grandparents now.
D) I will visit my grandparents.
Çözüm: The question asks about plans for "next weekend", indicating a future action. Option A correctly uses "am going to" to express a future plan. Options B and C refer to the past and present, respectively. Option D is grammatically correct but less common for expressing immediate future plans. Therefore, the correct answer is A.