来自孙克勤的问题
英语句子结构问题Hehasbeenabletotellusmoreabouttheactivevolcanoesthananymanalive.知道wereableto意思.为什么是hasbeen,
英语句子结构问题Hehasbeenabletotellusmoreabouttheactivevolcanoesthananymanalive.
知道wereableto意思.为什么是hasbeen,
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2020-12-21 17:59