( )1．一Have you returned the book to the library_______?
一Yes，I have________ returned it．
A．yet；yet B．already; already C．already；yet D．yet；already
( )2．一_______have you lived here?
一Since last year．
A．How long B．How often C．How soon D．How far
( )3．He has been away_______．
A．since a month B．for a month C．for a month ago D．in a month
