题目内容：

Betty's family（ ）big.The family（）allat home.Ais is B is are C are is D are are
Betty 's family（ ）big.The family（）allat home.A.is is B.is are C.are is D.are are

优质解答

选B.第一个表示家庭,是集合名词,用单数形式；第二个表示家人,指代家里的成员,要用复数形式.