"Left﹣ behind" children _______ see their parents, because their parents work in the cities leaving them behind in the countryside to be cared for by their grandparents. ( )
A.alwaysB.hardly ever
C.often
"Left﹣ behind" children _______ see their parents, because their parents work in the cities leaving them behind in the countryside to be cared for by their grandparents. ( )
A.alwaysB.hardly ever
C.often