Question

He has been a physical teacher ________ 1995.

1. A.
   for
2. B.
   in
3. C.
   on
4. D.
   since

Answer 1

D
介词since后跟一点时间，for后跟一段时间，两者常用于现在完成时中，for…还可用于一般过去时，一般将来时等时态中。