— How long have you _______ this book?
— About ten days.I _______ it last month.
A.bought, bought B.bought, buy
C.had, bought D.had, have bought
— How long have you _______ this book?
— About ten days.I _______ it last month.
A.bought, bought B.bought, buy
C.had, bought D.had, have bought
C