how long have they 还是用them

known,how long,have they,each other how long have they 还是用them how long have they 还是用them how long have they been dating和how long have they dated?区别?how long have they dated?也不一定以后他们就不date了啊? How long have they built these highrises?(被动语态)How long _____ these highrises _____ _____ They have long hair? —have they studied English They have studied English for three years.A:How long B:How soon How long can they live? How long have you been How long have they ___?A.been married B.got married How long have they _____ the computer?A.bought B.had C.borrowed D.sold I am not sure how long they _.A.have marriedB.have been marriedC.have got marriedD.married为啥? —Could you tell us_______?---For more than ten years.A.when have they got married B.how long they have been married?C.when they had been married?D.how long they had got married?选择的原因也说下吧. 速度_____will they have another meeting?-In one week’s time.A.How much B.How soon C.How often D.How long理由理由,急 How long do they stay in Beijing? how long have they （） they ()more than ten years .为什么不用married ,而用been married got marriehow long have they （）they ()more than ten years .为什么不用married ,而用been married got married ____ they read the book before?参考答案填Have,那么填How long did 为什么不可以呢 how long have you been learning english?