I ——(know) him when I was a student.为什么要用过去完成时而不是一般过去时?

I——(know) him when I was a student.为什么要用过去完成时? I ——(know) him when I was a student.为什么要用过去完成时而不是一般过去时? I don't know when he ____,I must talk to him when he____.(come) It was two years ago when I got to know him.（改为同义句）It is two years —— —— —— —— —— him. He ___ ____（好像） know me when I talked to him How can my feelings be so hard to show when I really want him to know. I think you'll grow to like him when you know him better.为什么用to like I think you'll grow to like him when you know him better.为什么用to like I don't know him. I know of him 和 I know about him 和 I know him 有啥区别 When and where____you____(get)to know him? I don't know when I will start.改同义句：I don't know when ——— —————. ——Is the letter （ ）James?——No.I（　）know him at all. I don't know him .butr his name soundsI don't know him .butr his name sounds f—— to me I didn’t know why he looked angry when I patted him ______.A：on the hea I don't know when we shall meet again .(改为简单句）I don't know when —— —— —— again . I know him very well 的同义句I know him very well I ---- ---- ---- him. 英语选择与词汇运用 打酱油别进选择（ ）1.I don’t know when he——.But when he—,please tell me so that I will wait for him at the bus stop.A.will come,will come B.comes,comes C.will come,comes D.comes,will come（ ）2.Put——