2.I first met Lisa three years ago when we _______ at a radio station together.[A] have worked [B] had been working [C] were working [D] had worked

2.I first met Lisa three years ago when we _______ at a radio station together.[A] have worked [B] had been working [C] were working [D] had worked One summer i met my best friend Lisa for the first time.I hid behind my mother and she hid behind I first met Lisa three years ago.She____at aradio shpo at that time.A.has worked.B.had worked.C.was working.D.had been working. I first met Lisa thhree years ago when we ___at a radio station together.A.have worked B.had been working C.were working D.had worked I first met Lisa three days ago when we _____at a radio station together.A.have worked B.are working C.were working D.worked One summer i met my best friend Lisa for the first 完形填空One summer i met my best friend Lisa for the first time.I hid behing my mother and she hid behind her grandmother,__1____to look at each other.But soon,we started playing with each other. When I first time met him,I I first met Lisa three years ago when we------at a radio station together .i first met Lisa three years ago when we------at a radio station together .A have worked B had been working C were working D had worked 我知道答案是C 但是我们老师 i first met Lisa three years ago when we ------at a radio station together .A have worked Bhad beei first met Lisa three years ago when we ------at a radio station together .A have worked Bhad been working C were working D had worked 说理由哟 问两个单项选择1.Paul doesn't have to be made _________.He always works hard.[A] study [B] to study [C] studied [D] studying2.I first met Lisa three years ago when we _______ at a radio station together.[A] have worked [B] had been working [C] I met him ____ my first day . I can t fine my mask Lisa! I first met Lisa three years ago.She _____ at a radio shop at that time.A.has worked B.was working C.had been working D.had worked这题我选C,我觉得work动作发生在met之前,一直持续.意思为在我遇见Lisa之前,她一直在收音机 就是when first I met him可不可以改为本when the first time I met him I first met Lisa three years ago.She _____ at a radio shop at the time.A.has worked B.was workingC.had been working D.had worked哪个正确,请分析一下为什么? 92. I first met Lisa three years ago. She _____ at a radio shop at that time.A. has worked B. was working C. had been working D. had worked I first met Lisa three years ago.She ________ at a radio factory at the time.A.has worked B.was working C.had been working D.had worked Lisa was working as a secretary in a big firm for the first time I met her.为什么要把FOR 去掉啊,他和THE FIRST TIME ,AT THE FIRST TIME 都有什么区别,可以详细讲讲么,谢谢