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單項選擇題We regret （） that we can’t accept your offer.

A.of saying
B.for saying
C.about saying
D.to say

1.單項選擇題（） quality and prices are satisfactory, there are prospects of good sales here.

A.Provided
B.Even
C.Though
D.Unless

2.單項選擇題The company in question does steady export business, （） satisfactory results in overseas markets.

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

3.單項選擇題The bigger your audience,（） complicated communication channel choice becomes.

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

4.單項選擇題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

5.單項選擇題If you have someone accompanying you, ten miles （） a long way to walk.

A.is
B.aren’t
C.isn’t
D.are

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