问题
选择题
These plants are watered___________
A．each other day
B．every other day
C．each of two days
D．every of two days
答案
答案：B
题目分析：在表每两天、每隔一天用every other day/every two days.故选B
点评：在这个结构中，不能用each代替every,表示每一天、行或每隔二天、行等时，可表示为every two days/lines 或every other day/line