单项选择题双端固定桥修复，为了减轻桥体所受的合力，以下方法哪个不正确 A、减少合面颊舌径 B、扩大合面舌外展隙 C、加深合面颊舌沟 D、脱离合接触
单项选择题My hometown is no longer_______. A、that it used to like B、what it used to be C、the same it used to be D、what it used to
