You are required to write _______ so that we can see it clearly.

   A. every the second line               B. every other lines

   C. every a few lines                  D. every other line

 You are required to write _______ so that we can see it clearly.

   A. every the second line               B. every other lines

   C. every a few lines                  D. every other line

You are required to write ________ so that we can see it clearly．

1. A.
   every the second line
2. B.
   every other lines
3. C.
   every a few lines
4. D.
   every other line