1.( ) did you work there?There years.A.How many B.How far C.How often D.How long
问题描述：
1.( ) did you work there?There years.A.How many B.How far C.How often D.How long
答
C、How long
第一,你的答句可能写错了,应该是Three years吧
因为这是一段时间,所以对一段时间提问用How long哦哦，能再问你几道么？？行啊1.When is your birthday?It's （）。A.onMayB.on the first of SeptemberC.at October 1stD.in December 31答案是Bon 是加具体的某天，例如此题第四个选项，如果把in改成on，那D就是对的in一般加一段时间（没有固定的某天），也例如A选项，把on改成inat一般加时间点，例如，at10o'clock