“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; got请问什么选D能分析一下句子结构吗?

known,how long,have they,each other how long does each class last How long does each show last? How long will your parents ____?(离开) How long I ____(borrow) your book? how long did you ____ it How happy we are ____ in Paris.We haven't seen each other for a long time.A.met B.meeting C.to mee how long should you exercise each time的翻译 How long do you play it each time什么意思 How long is each side of the square?的中文. How long have you known each other?同义句 ( )did you ( )to( )each other? 他们彼此认识已经很久了.They____ ____ ____ each other____ a long time.快 How long do you ____( sleep）every day?guiqiu! How long does it ____(walk) to the train station How long does he spend _____(practice)____(write) How long have you been ____?动词填空 Tell me how long the meeting ____(last) tomorrow how long ___you ____(stay) at home alreadly