Question

【题目】He sank into the chair, (mourn) his son's death and couldn't believe it was true.

Answer 1

【答案】mourning
【解析】考查非谓语动词。句意：他陷在椅子里，为儿子的死难过，不相信这是真的。此处为现在分词作伴随状语。故填mourning。