一、选择题

1.The bigger your audience,____C__ complicated communication channel choice becomes.

A.more 

B.it is more 

C.the more 

D.the most

2.The company in question does steady export business,__D____ satisfactory results in overseas markets.

A.show 

B.to show 

C.showed 

D.showing

3.___A___ quality and prices are satisfactory,there are prospects of good sales here.

A.Provided 

B.Even 

C.Though 

D.Unless

4.We regret ___D___that we can’t accept your offer.

A.of saying 

B.for saying 

C.about saying 

D.to say

5.We find ___C___necessary to stress the importance of making punctual shipment within the validity of the L/C.

A.how 

B.that 

C.it

D.us