149. Do not start a book unless you can see from the first few pages that it is ______ you can easily read and understand.

Do not start a book unless you can see from the first few pages that it is ________ you can easily read and understand．

1. A.
   that
2. B.
   one
3. C.
   the one
4. D.
   that one

Do not start a book unless you can see from the first few pages that it is ________ you can easily read and understand.

       A．that     B．one       C．the one        D．that one  

149. Do not start a book unless you can see from the first few pages that it is ______ you can easily read and understand.

  A. that               B. one            C. the one              D. a one

Do not start a book unless you can see from the first few pages that it is ________ you can easily read and understand.

A. that               B. one                 C. the one         D. that one