7.-----How long ___ each other before they __ married _____For about a year.A.have they known ,get B.did they know ,were going to getC.do they know ,are going to get D.had they known ,gotD,为什么不是A?

how long ___your mother ___(work)in the library ---How long ___ you ___(live) in Beijing?---Since I was ___(bear). ___ do you visit hereA How ofen B.When C.How long D.How many 理由～ How long is the GreatWall?It is about___ ___ ___ ___ ___.2.How big is Beijing?Beijing is got about___ ___ ___. ___ yogurt do you need?Three cups A.how long B.how far C.how many D.how much ___ is the bridge over the river?It is three milesA How long B How farC How manyD How often 36、 “___ times has he visited the Great Wall?”“Twice.” A、How manyB、How muchC、How oftenD、How long 英语翻译How long does it take you ___ ___ ____ school #29. How long ago ___ the shoes ___ (buy)填什么,怎么理解的? How long did he hiccup?He ___ ___ 10 years and 2 mouths how long have you kept this story book改为同义句 how long __this story book ___ ___by you? The river is_25 kiolmetres_ long.(划线提问） ___ ___is the river?how long 还是how far啊, ___ ___(多长时间） do you watch Animal World?这里填how often 还是how long． 你打算在加拿大呆多长时间?两个多月吧.How long ___ ___ ___ ___stay in Canada?For __ __two months 1.___ will you he away?A.How soon B.How long1.___ will you he away?A.How soon B.How long 选择题：___ is it from London to Paris?(A.How many B.How long C.How far) 选择：___ can you finish your homework?In a few minutes.A.How long B.How soon C.How much Sorry I'm late.How long has the meeting been on?The meeting ___ already ___ ___ ___ nearly one hourThe meeing ___ about an hour ago