5. Having seen your full catalogue, we _____ that there is a promisingmarket for your products here in Taiwan. (A)assure (B)are believed (C)areconvinced (D)are confirmed 。

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 。