As we can no longer wait for the delivery of our order we have to it.A. delayB. refuseC. c

问题补充：

As we can no longer wait for the delivery of our order,we have to it.

A. delay

B. refuse

C. cancel

D. postpone

答案：

A. delay

B. refuse

(答案→)C. cancel

D. postpone

解析：该句意为“既然我们所订购的货物迟迟不到，我们不能再等下去了，只好取消”。