To make room for teachers’ correction, the students had better write their composition ______.

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

To make room for teachers’ correction, the students had better write their composition _____.

A. every two line                                            B. every second lines      

C. every the second line                                 D. every other line