We regret that it is necessary to complain（）the non-delivery of the10，000 tons of sugar under Contract BC-023.

[单选题]We regret to report that a consignment of silk piece goods（）Order No.567 has not been delivered．A . withB . forC . onD . under

[单选题]As the goods are（）great demand we regret being unable to cover your requirements.A . inB . onC . ofD . having

[单选题]We regret（）to accept your terms of payment and therefore have to return the order to you.A . cannotB . being unableC . not ableD . not be able

[单选题]We regret to inform you that thematerials you ordered are ______.A.out of w

[问答题]I regret to inform you that we are unable to offer you a job.

[单选题]We should be ableto do the job for you quickly, _____you give us all the ne

[单选题]It is necessary that anyone ______exercises every day if he wishes to keep healthy.A． doB． would doC． didD． will do

[单选题]If it becomes necessary for a stand-on vessel to take action to avoid collision，she shall NOT，if possible，().A．Decrease speedB．Increase speedC．Turn to port for a vessel on her own port sideD．Turn to starboard for a vessel on her own port side

[主观题]Itmaybenecessarytostop______inthelearningprocessandgobacktothedifficultpointsinthelessons.A．)atadistanceB)atintervalsC．)atcaseD)atlength

[单选题]When it is necessary to remove a victim from a life threatening situation，the person giving first aid must ().A．Pull the victim by the feetB．Avoid subjecting the victim to any unnecessary disturbanceC．Carry the victim to a location where injuries can