单项选择题
A.only eat an apple a day B.eat properly C.take as many vitamin pills as possible D.throw something into our stomachs slowly and carefully
A.none B.one C.earns D.neither
A.given his life in order to save theirs B.saved their village from being drowned by the wave C.given them many things during his life D.given them his corn in order to save them from hunger