Do you have a baseball bat?选几?题神们,帮帮我,快快!＿＿＿.But I have a ping-pong bat.A.Yes,I do.B.No,I don't.C.Yes,I have.D.No,I haven't.正确答案是:D.No,I haven't.(因为问句用 do you have)...为什么不是Do 提问Do回答？你可以用 don't 回答都可以，但在意识上它要你用 haven't 来回答以配合提问的do you "have"。

不明白请继续问，若满意请采纳，谢谢你。