I( )the book twice before:A.read B.have readed C.have read D.readed附带why

I've___(已经）read the book twice I( )the book twice before:A.read B.have readed C.have read D.readed附带why I have already read the book twice.(改为否定句）I___read the book twice___. I have read the book ( ) Moment at Pecking twice.I have read the book ( ) Moment at Pecking twice.A named B maming C names D which named为什么不选D? i have read this book twice now i'm reading it third timei have read this book twice .now i'm reading it ( )A.a third time.B.the third time i ___the book twice when i was in the bookstore.A.have read B.was reading C.had read D.read答案是D.可是有twice不应该用完成时态吗.帮忙解答一下吧.多谢. He read the book twice.（对twice提问） have you read the book ____ --yes,i have ____ read it twice .A.already;yet B.yet; already C.ever ; just D.just ; ever ——May i keep the book you just bought for several days?——Of course,you can,I ______ it twice when I was in the bookstore.A.have read B.was reading C.had read D.read I have read the book ( ) Moment at Pecking twice.A named B maming C names D which namedI have read the book ( ) Moment at Pecking twice.A named B maming C names D which named选哪个?为什么不选D？ I (see)the film twice. I have to pay ( ) usual for the car because the discount is over.A as much twice as B much twiceC twice as much as D more twice I'II give ______.a:the man the book b:the book the man c:the book for the man I don't know much about the city .I'ye been there( )A for only once or twice B for only once and twice C only once or twice D only once and twice 1.After the new technique was introduced,the factory produced_____tractors in 1988 as the year before.A.as twice many B.as many twice C.twice as many D.twice many as2.Would you please put the book it belongs_____?A.to whom B.to which C.into which D.w -----Have you read this book?-----Yes,it’s my favorite book.I ___ it twice.-----Have you read this book?-----Yes,it’s my favorite book.I ___ it twice.A.have read B.is reading C.will read D.read 1.This is ----book---i'd like to read it once more.A.such an interesting,that B.so interesting,that C.such an interesting,as D.a so interesting,as2your house is --- mineA.twice as big as B.twice as bigger as C.as twice big D.as big as twice怎么理 I__this book twice since I bought it two years ago. A read B be reading C have read D have readed为什么选C?