A：民族矛盾取代了阶级矛盾
B：中国社会性质开始发生变化
C：近代中国第一次遭受西方国家侵略
D：长期闭关锁国状况被打破
— Less than an hour.
Linda and her mother are talking ________.
Many fast food restaurants paint their walls red , play loud music and have hard seats _____ customers eat quickly and leave.
