剑桥的官方真题可不便宜，动不动五、六十，七、八十一本，整个几套，再加上点听力、口语、语法、阅读、写作的专项训练，四、五百块到小一千，就花出去了。 对于英语启蒙和学习，博主之前也分享过一些文章，个人觉得外教直播课的效果是最明显的，有需要的也可以参考之前的分享 it will eventually follow the operator (if adequately cared for) and, according to the proprietor's status and amount of intimacy, ... https://simoncovel.canariblogs.com/5-simple-statements-about-pet-system-di-ragnarok-online-explained-52098915