“停止内战，一致抗日”的愿望得到初步实现的标志性事件是（）
A.九_八事变爆发
B.西安事变和平解决
C.卢沟桥事变爆发
D.台儿庄战役胜利
参考答案：B
—Why didn't you come to my birthday party?
—I _____ anything about it. [ ]
A. didn't tell
B. have not told
C. am not told
D. wasn't told
按隧道周围介质的不同可分为岩石隧道和土层隧道。
