He has bought the bike for over 3 months.错在哪儿?

He has already bought the book(否定句）急 how lond has he ()[lent,borrowed,had,bought] the dictionary He ________ the computer for half a year. A.has bought B.had bought C.has had D.had had He has bought 和 He bought 有什么区别呢? He has bought the car .(改为否定句）he之后有两空 he has had the book for two days/he has bought the book for two days哪个句子正确啊 A new bike was bought for him还是 has been bought for him after he entered the key senior middleschool. he said he (C) the new bike for over ten days A.has bought B.has had C.had bought D.had had 原因是只要原因 He has bought it 这个句子对吗 —Where do you think _____ he ____ the TV set?— Sorry,I've no idea.A./,bought B.has,bought C.did,buy D.did bought Tom told us that he the new bicycle last week?A buys B bought C has bought Dhad bought 请说明理由书中答案选C 为什么 He has bought the car since that day不改变时态 how many has the car been washed since he bought it?有什么错? 这个句子怎么改一般疑问句?He has bought a ticket for the football match He has just bought a new house in the city.（改为被动） he has bought the TV set for about ten years哪错了 He has bought the bike for over 3 months.错在哪儿? He has bought the bike for over 3 mouths错在哪里