Trees can prevent the sand__towords the rich farmland in the southA.MovedB.to moveC.from moving选
问题描述：
Trees can prevent the sand__towords the rich farmland in the southA.MovedB.to moveC.from moving选
Trees can prevent the sand__towords the rich farmland in the south A.Moved B.to move C.from moving
答
C prevent ...from doing 阻止……做某事
树能阻止沙子移动到富裕的土地