题目

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项（有两个多余选项）。Learning a language should be fun. It doesn't always require textbooks, teachers and classrooms! Start your own speaking club on HousepartyThis free app allows users to make group video calls with up to eight people at a time. It's like a real hang-out. It could also be an opportunity to practise your English-speaking skills with strangers and a fun way to meet new people. Houseparty has some really great games to break the ice.Learn English with Amazon AlexaHave you ever wanted a如果甲数的23等于乙数的34，那么甲数和乙数之比为（　　） A、1：2B、9：8C、8：9D、2：1