单项选择题
A.with whom B.with who C.whom D.who
We find （）necessary to stress the importance of making ...
单项选择题We find （）necessary to stress the importance of making punctual shipment within the validity of the L/C.
A.how B.that C.it D.us
We regret （） that we can’t accept your offer.A.of sayin...
单项选择题We regret （） that we can’t accept your offer.
A.of saying B.for saying C.about saying D.to say
（） quality and prices are satisfactory, there are prosp...
单项选择题（） quality and prices are satisfactory, there are prospects of good sales here.
A.Provided B.Even C.Though D.Unless
