some students were working ----——a tape recorder A.with B.through C.on D .for

问题描述:

some students were working ----——a tape recorder A.with B.through C.on D .for

A.with
with 表用某种工具或手段,如:
I cut the apple with a sharp knife .
我用一把锋利的刀削平果.
Tom drew the picture with a pencil .
汤母用铅笔画画.