14. Linda在英语上取得了很大的进步，她准是一直学习很努力。（must）的翻译：14. Linda has made great progress in English, she must have been very hard. （must）什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

In English 14. Linda made great progress, she must have been studying very hard. (Must)

14. Linda has made great progress in English, she must have been very hard. （must）

14.Linda in English has made great progress, she has been a study very hard. (must)

14. Linda has made great progress in English, she must have been very hard. （must）