how long _______ he__________London before he came here?

你需要多长时间打扫房间 英语怎么说How long _______ _______ _______ _______ ______ ________the romm? 英语翻译How long ________ it _______ by train to beijing? how long _______ he__________London before he came here? How long _______ the book _________(can keep)? How does John do?He_(feel)sad.怎么填? --- _______ do you visit your grandmother?--- Once a month.A.How B.How long C.How often D.How _______ TV do you watch every day a.how much b.how long 为什么? 选择 How long have you _______ -How long have you _______ A.borrowedB.bought the bikeC.been backD.received the letter为什么? 求大师详解：_______ you will never convince him.A. However long you argue B. However you argue long C. How you argue longD. How long you argue How long is the Yangtze River?(同义句) ______ _______ is the Yangtze River? How long have you _______(have) this book?用所给词的适当形式填空 how long _______ it ________(take) you ________(sleep) last night How long does it take you to walk _______ to school 动词填空How long does she spend _______ (fly) a kite in the park? 6.How long may I _______ the book A.borrow B.want C.take D.keep How long does jim watch TV（改为同义句） ______ _______ _______ does jim watch TV. _______ a year do you go to see your grandparents?A,How many,B,How often C,how soon,D,how long ----- _______ does he take this medicine?----- Twice a day.A.How long B.How often C.How soon D.How much