20. It was ( ) to learn that the chocolate we shipped to your firm last week had been arrived A. distressed B. distressful C. distressing D. distressness ...

18: The purpose () this letter is to inform you ()the important meeting. A: to,of B: on,about C: of,of D: of,on ...

9: We are already represented by our sole agent in your city for the ()of our Enamelware. A: sell B: sale C: selling D: sales ...

3: We would like very much to continue () business with you and are now awaiting your offer. A: to do B: doing C: of doing D: do ...

21: We shall do our best to () your requirements. A: satisfy B: met C: supply D: answer ...

11: Bids () building the bridge were invited from British and American firms. A: at B: on C: with D: for ...

5: 90% of the credit amount must be paid ( ) the presentation of documents. A: at B: by C: against D: when ...

19. As ( ) machine tools, we regret to ( ) that we are not able to supply for the time being. A. regarded,say B. regards,saying C. regards,say D. regarde dinform ...

9. The fact ( ) he succeeded in the experiment pleased everybody. A. blank B. which C. that D. whild ...

23. I am well acquainted ( )local conditions and have excellent business connections. A. for B. through C. by D. with ...