II. Choose the best answer
11. The cartons are big the wooden cases.
A. as, as B. not, as C. as, not D. so, as
12. Your goods are popular our market.
A. with B. for C. at D. in
13. We must find new markets our commodities.
A. for B. of C. with D. through
14. Please cable us an offer a competitive price.
A. at B. for C. in D. with
15. what sum shall we open the letter of credit?
A. To B. At C. Under D. For
16. Our payment terms are irrevocable letters of credit payable shipping documents.
A. before B. for C. against D. until
17. Repacking has added our cost.
A. to B. into C. by D. in
18. For the transaction, the exporter insisted payment by L/C.
A. for B. on C. at D. in
19. I am not in a position cut the price by such a big margin.
A. at B. in C. for D. to
20. This time, they agreed a more convenient payment terms.
A. on B. to C. in D. at

11. A. 其余选项不全
12. A或D 这个题目设计有问题，出题者意图设计答案A，但在这里用in也是说得通的
13. A. 为……，照字面意义选，没道理可讲
14. A. 说价格一般用at
15. B. 用法古怪，感觉如此
16. C. 信用证常见用法，凭单据用against
17. A. add to=increase
18. B. insist on，固定用法
19. D. in a position to do sth，固定用法
20. A. agree on sth,固定用法