You needn’t write on line. You can write on line.
A. every; every
B. every; every other
C. every other; each other
D. every; each other
网友回答
A. every; every
(答案→)B. every; every other
C. every other; each other
D. every; each other
解析：句意：你不必每行都写, 你可以隔行写。第一空填every“每个”，第二空填every other， every other+名词单数是“每隔一个”的意思, 所以选B。