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.