37. We intend to place a substantial order and would therefore like to knowwhat _____ discounts you allow. (A)trade (B)quantity (C)quality (D)annual 。

6. Much as we would like to do business with you, _____. (A)we are unableto accept your order at the price you requested (B)we will be pleased tofulfill your order No. A116 (C)we are prepared to give a further reductionof 5% in our quoted price (D)we expect to receive a new supply shortly 。