16. ______ being the case, we are compelled to decline your order. （ ）
A. This
B. So much
C. Such
D. Which
17. If your business with us had been carried on to our satisfaction, we ______ to renew the agency agreement. （ ）
A. had agreed
B. should have agreed
C. shall agree考試網(wǎng)(www．Examw。com)
D. already agreed
18. We shall do our best to ______ your requirements. （ ）
A. answer
B. reply
C. supply
D. meet
19. The relative L/C should be established through a third country bank ______ the sellers. （ ）
A. available by
B. available to
C. acceptable by
D. acceptable to
20. The term CIF should be followed by ______. （ ）
A. port of destination
B. port of shipment
C. port of loading
D. port of inland