has just bought是什么時態

　　The farmer has just bought a new piece of land.

　　這位農民剛剛又買了一塊地。

　　ought out their second album.

　　這個樂隊剛剛推出了他們的第二張專輯。

　　The bookstore has just bought some attractive comic books.

　　書店新進了一批好看的小人兒書。