女生在男生书上写One or two years time是什么意思

女生在男生书上写One or two years time是什么意思 one or two in one or two one or two one year or two one or two year 的意思 是one or two year还是one or two years in one or two words The biologist has been here for ______.A.one day or two B.one or two days C.a day or two days D.one and two days答案是选B的,可是我觉得A,C也可以啊,请问这是为什么啊?英语书上有这样的用法a tear or two =one or two tears 一个男生写了一句英文:love or like 给一位女生, a year or two 还是one year or two 英语翻译one of two or three dozen in one or two 如题 in one or two words的中文 in one or two words 的中文 ln one or two words用中文翻译 有没有：one day or two one or two mistake用复数么? A one or two weeks B.one week or two.这两个答案有什么区别B项表达错在哪里