Before you read the letter on the next page,take a book at i

i ( ) a book at the moment.i ( )it next mouth.(read) (finish Please read the i( ) before you take the medicine. I didnot read the book because I____(read)it before I( )the book twice before:A.read B.have readed C.have read D you must read the i_ before you take the medicine You must read the i_____ before you take the medicine. you haven't read the book before ,have you?____ you may read the book where is on the book Shall I f___ you a book from the next room? shall i you a book from the next room You should read the______(introduce)before you take the medi I （not read）the book before.（现在完成时）