Because of the COVID-19, online studying is becoming________ (popular) than befo

游客2024-07-11 38

问题 Because of the COVID-19, online studying is becoming________ (popular) than before.

选项

答案 more popular

解析空格前面是系动词is becoming，空格后出现了比较级的标志词than，因此空格处需要填入形容词popular的比较级more popular。

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