Books are the most important records we keep________man’s thoughts, ideas and feelings.

A.up        B.of                C.for           D.on

Books are the most important records we keep ________ man’s thoughts, ideas and feelings.

A. up           B. of   C. for           D. on

Books are the most important records we keep ________ man’s thoughts, ideas and feelings.

A. up      B. of   C. for     D. on

Books are the most important records we keep _________ man’s thoughts, ideas and feelings.

A. up                B. for                   C. of                  D. on

.

Books are the most important records we keep ________ man's thoughts, ideas and feelings.

A up                B of                 C for                 D /

Books are the most important records we keep_____ man’s thoughts, ideas and

feelings.

  A. up   B. of   C. for   D. on

Books are the most important records we keep _____ man’s thoughts, ideas and feelings.  

A. for                            B. up                      C. on                     D. of  

Books are the most important records we keep_______ man’s thoughts, ideas and feelings.

  A. for       B. up       C. on        D. of

Books are the most important records we keep_______ man’s thoughts, ideas and feelings.

A．for        B．up           C．on          D．of

 Books are the most important records we keep _________ man’s thoughts, ideas and feelings.

    A. up                  B. for             C. of             D. on