when passing me he pretended _me 为什么要填not to have seen 而不是not to see.顺便再讲下什么时候用to do 什么时候用to have done

When the happiness in front of me,I do not know how to cherish.When he was passing away,I know regret has no sense. 请问这个怎么填?When passing me he pretended ______ me请问为什么填not to have seen 而不填not having seen?谢谢 A gilr ____ my pen drop when she ____ me.A.saw,was passing B.was seeing,passedC.was seeing,passing D.was seeing,was passing The old man told the policeman he saw the accident_____ (happen) when he was passing by. 英语翻译是when he saw me还是when he see me还是when he sees me? when passing me he pretended _me 为什么要填not to have seen 而不是not to see.顺便再讲下什么时候用to do 什么时候用to have done He gave me a r________ when he saw me when I was passing by his room,he was talking with __ teacher.填the other?another?why? Call me when he ------(interview) you. He often () me when I go shopping. 1.When passing me he pretended ______ me. A.to see B.not having seen C.to have not seen D.not to have seen 2.The children insisted ______ there on foot. A.they going B.they would go C.on their going D.going第一题答案是D 第 He's passing the ball to Mike 对划线部分提问划线部分就是 P到E when something 什么（worry）me,he often helps me when Tom saw me,he w his hand to me passing He was ( ) (surprise) when he saw me in the street 英语改错题 会的朋友速度救命啦 高分RT分别是1.Put the noodles into boiled water and then cover the pan, then you can eat them in three minutes2.To avoid talk to me Bill always walks with his head down when he is passing by my seat3.I he askd me when he should go there(同义句)he askd me __ __ __there