英语翻译
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英语翻译英语翻译英语翻译Tommusthavebeentoschool.Tommusthavegonetoschool.Tommusthavebeentoschool.Tommusthavebeent
英语翻译
英语翻译
英语翻译
Tom must have been to school.
Tom must have gone to school.
Tom must have been to school.
Tom must have been to the school
Tom must have gone to school.
Tom must have gone to school.
gone是去的路途上，去了还没回来
been是去了，而且已经回来了