Our corporation is a national firm（）20 years’ experience（)the trade.
A.in, of
B.with, in
C.with, on
D.of, on
正确答案是B
Our corporation is a national firm（）20 years’ experience（)the trade.
A.in, of
B.with, in
C.with, on
D.of, on
正确答案是B