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。 (Be aware: It's best to attempt this on a monster which is by yourself without other monsters all over it so that you can prevent mis-clicks, as mis-clicking will consume the taming product if you clicked over the monster.) Tiny sample suppor... https://pet-system-di-ragnarok-on51739.verybigblog.com/36071977/not-known-facts-about-pet-system-di-ragnarok-online