This my grandfather and those are my .A. is; friendsB. is; friendC. are; friendsD. am; fr

问题补充：

This my grandfather and those are my .

A. is; friends

B. is; friend

C. are; friends

D. am; friend

答案：

(答案→)A. is; friends

B. is; friend

C. are; friends

D. am; friend

解析：句意：这是我的祖父，那些事我的朋友们。This这个，表示单数，其后谓语和名词也用单数。Those是复数，其后谓语和名词也要用复数。