單項選擇題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


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1.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

4.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