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。 We are not compensated by any pet company to favor a selected product or service and you may be confident all opinions are impartial and unbiased. Your browser isn’t supported any longer. Update it to have the best YouTube practical experienc... https://johnc186vdi1.anchor-blog.com/profile