We should be pleased to send you a sample ______ our expense.
2023-12-01外贸函电
We should be pleased to send you a sample ______ our expense.
A.at
B.in
C.against
D.of
正确答案是A
We should be pleased to send you a sample ______ our expense.
A.at
B.in
C.against
D.of
正确答案是A