We avail ourselves（） this opportunity （）approach you （）the establishment of trade relations with you.
A.of, for, to
B.of, to, for
C.for, of, in
D.for, to, to
正确答案：B
We avail ourselves（） this opportunity （）approach you （）the establishment of trade relations with you.
A.of, for, to
B.of, to, for
C.for, of, in
D.for, to, to
正确答案：B