祖国大陆实现了统一的标志是：
A．西藏和平解放
B．解放军攻占南京
C．开国大典
D．土地改革
答案：A
根据所学，西藏和平解放标志着祖国大陆实现了统一。
—Don't forget to come to my birthday party tomorrow.
—______. [ ]
A. I don't
B. I won't
C. I can't
D. I haven't
