题目是
A: Do your family always hang the flag outside?
B: No. We only hang it outside on the Fourth of July.
请问A.中的Do 是否需改成Does
有查了朗文当代高级辞典，里面例句如下。
My family is very large. (动词用单数)
My family are all tall.(动词用复数)
非常感谢大家，谢谢!