present perfect,simple past,请帮忙答题.Mr.Wilson(work)______________in a bank for fifteen years.Then he gave it up.Greg lives in Los Angeles.He (live)_________there all his life.While we were on vacation,the weather(be)___________terrible.I don'

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present perfect present perfect simple and present perfect continuous Present simple,present continuous,present perfect simple,present perfect continuous present perfect continous是什么 present perfect是什么意思 The present perfect tense 什么是PRESENT PERFECT CONTINUOUS啊? write the sentence in the present perfect 用present perfect tense ,simple past tense , 求 4 个 present perfect progressive 句子 求 4 个 present perfect progressive 句子.. the present perfect tense的中文 present perfect continuous和present perfect simple的区别与用法 什么时候该用 present perfect 什么时候该用past simple? 求 past | past perfect | present perfact 的分别RT present perfect progressive 现在完成进行 和present perfect 有什么区别present perfect 加has/have+past participle 而present perfect progressive has/have+been+verb+ingparticiple 过去分词 use present perfect or simple past tenses:Theuse present perfect or simple past tenses:The Titanic.(sink) in 1912. Simple past VS.present perfect PS:耀快~Use the simple past of___________________________________________.Use the present perfect for_______________________________________.