A.of sayingB.for sayingC.about sayingD.to sayWe regret ……

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

单项选择题If you have someone accompanying you, ten miles （） a long way to walk.

A.is
B.aren’t
C.isn’t
D.are