Reading provides the mind only with materials of knowledge; it is thinking that makes ________ we read ours.

    A. that               B. what           C. which             D. it

Reading provides the mind only with materials of knowledge; it is thinking that makes ________ we read ours．

1. A.
   that
2. B.
   what
3. C.
   which
4. D.
   it

Reading provides the mind only with materials of knowledge; it is thinking that makes ________ we read ours.

    A. that               B. what           C. which             D. it

Reading provides the mind only with materials of knowledge, it is thinking that makes       we read ours.

       A．that                     B．what                   C．which                 D．it