翻译 1．那天在车站,我碰巧遇到了我的一位老朋友。 I ____ an old friend of mine at the station that day. 2．他再也没有见到救他的那个小伙子，也不知道他叫什么名字。 He_ saw the young man who saved him again, what his name was. 3．昨天晚上离家时，他忘记锁门了。 He _ the door when he left his home yesterday evening;． 4．这块手表太贵，我买不起。 The watch is too expensive, I _ ___ buy it. 5．我打算用这旧电脑，不买新的。 I'm going to use the old computer, _ buying a new one. 6．他总是避免在热闹的街道上骑车。 He bike on busy streets. 7．他那时是在写信，而不是在看报。 He was writing a letter reading the newspaper at that time.