Because of the hard work of the farmers, the desert finally ______ rich farmland.

1. A.
   turned up
2. B.
   turned
3. C.
   turned into
4. D.
   turned to

Because of the hard work of the farmers, the desert finally ______ rich farmland.

     A. turned up        B. turned          C. turned into       D. turned to

 Because of the hard work of the farmers, the desert finally ______ rich farmland.

Because of the hard work of the farmers, the desert finally ______ rich farmland.