问题
选择题
His father has worked in this factory________ he came here in 1985.
A. for B. since C.when
答案
：B
：此题考查现在完成时的时间状语。常用for和since来引导。For+段时间或since+点时间，since+从句。他爸爸从1985年到这里以来一直在这儿工作。
搜题请搜索小程序“爱下问搜题”
His father has worked in this factory________ he came here in 1985.
A. for B. since C.when
：B
：此题考查现在完成时的时间状语。常用for和since来引导。For+段时间或since+点时间，since+从句。他爸爸从1985年到这里以来一直在这儿工作。