Correct: easier, more difficult, more boring, safer, more expensive, better, worse, cheaper, bigger, happier, Incorrect: easy, difficult, boring, safe, expensive, good, bad, cheap, big, happy,

Brainy 5, unit 3, Comperative

由
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?