下列事物中哪些不具备稀缺性()
A.空气
B.矿泉水
C.食物
D.安全保卫
参考答案:A
--- Tom, why didn’t you come to the meeting yesterday?
--- I _____, but my car broke down.
A.would
B.had
C.was going to
D.did
太平鸟炫客店铺的女装有几个品牌系列?()
A、1
B、2
C、3
D、4