A.howB.thatC.itD.usWe find （）necessary to stress the im……

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

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

单项选择题The company in question does steady export business, （） satisfactory results in overseas markets.

A.show
B.to show
C.showed
D.showing

单项选择题The bigger your audience,（） complicated communication channel choice becomes.

A.more
B.it is more
C.the more
D.the most

单项选择题One of its tasks is to get business information and （） new business opportunities for its members.

A.finding
B.to find
C.finds
D.find