Every _____ second day he went to the library for some books to read. But after a page or two, he would put the book down and pick up _____ new one.

A. the, a       B. /, a       C. the, a       D. /, the

Every       second day he went to the library for some books to read. But after a page or two, he would put the book down and pick up      new one.

A．the, a        B．不填, the         C．the, a        D．不填, a

Every　　 second day he went to the library for some books to read. But after a page or two，he would put the book down and pick up　　 new one

A．the：a　 B不填；龇　 C th。；the　 D不填；a