50. _____ product quality and safety, our company surpasses the competition.(A)In terms of (B)In case of (C)In place of (D)In the event of 。

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 。