Question

His father has worked in this factory________ he came here in 1985.
A. for                  B. since                C.when

Answer 1

：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。