It is wide enough for two persons to walk s___ to s___.s开头的单词,两处应该一样的.介词是to噢，不是by.
问题描述：
It is wide enough for two persons to walk s___ to s___.
s开头的单词,两处应该一样的.
介词是to噢，不是by.
答
应该是side by side吧？
很宽，足够两个人并列行走
答
side to side
答
Shoulder
walk shoulder to shoulder - 两人并肩走
如果要用side的话应该是side *BY* side而不是to.