问题描述：
关于since的选择题
39.–How long has this bookshop been in business?-- _______ 1994.
A.After B.In C.From D.Since
C为什么不行哦
from也有从什么时候起的吧
39.–How long has this bookshop been in business?-- _______ 1994.
A.After B.In C.From D.Since
C为什么不行哦
from也有从什么时候起的吧
问题解答：
我来补答展开全文阅读