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?

known,how long,have they,each other how long have they 还是用them how long have they 还是用them —have they studied English They have studied English for three years.A:How long B:How soon How long have they ___?A.been married B.got married How long have they _____ the computer?A.bought B.had C.borrowed D.sold 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? —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 have they built these highrises?(被动语态)How long _____ these highrises _____ _____ They have long hair? ______David and Vicky ____ marriedA how long were,being B how long have,gotC how long have been D how long did,getRainforests______ and burned at such a speed that they will disappear from the earth in the near futureA cut B are cut C are being cut D How long ____each other before they _____ marriedA have they known ,get B did they know ,were going to get C do they known ,are going to get D had they known ,got How long can they live? ( ) 3.--- How long have they ______ France?--- For about half a year.A.been to B.gone to C.gone in D.been in ---how long ___ each other before they ___ married --- For about a year.a.have they known ; get b.had they known ; got为什么要用b不用a 怎么理解的? How long have you been I am not sure how long they _.A.have marriedB.have been marriedC.have got marriedD.married为啥?