现在式和过去式I have thought of buying a computer.i have seen her .

现在式和过去式I have thought of buying a computer.i have seen her . 英语单词填空 I have never seen her since her father fell sick of a I have ever seen.和I have never seen.紧急~ 现在式转换为过去式I think I was have a good time on this vacation.这句话 I have seen her several times.和I saw her several times.什么区别 i have seen quite a lot of china and i have visited some bea I have never seen a panda和i never seen a panda区别 I have seen things? Oh,I have seen i have ever seen i have seen it it is the _ computer i have ever seen A.good B.better C.well