重点讲解：
1. come out (事实)暴露，披露，显露；
例句：The government came out with the truth at last.
政府终于公布了事实真相y,3Hbflzu2QL。
2. come back 回来；
例句：I can come back to my hometown some day.
总有一天我会回到家乡)hR9NEw8~f6a。
3. used to do sth. 过去常常；过去曾；
例句：The cinema she used to visit had been pulled down.
她常去的那家电影院已经拆除了0r=)WrSE*,rPef+V6n!。
4. be willing to do sth. 乐意的；愿意的；
例句：He is quite willing to pay the price I ask.
他很愿意照我的要价付钱+7;*g[-+,8k@。