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單項選擇題

We very much appreciate your efforts（）.

A. our production costs must be no more than 15 percent
B. has done damage to our reputation
C. to negotiate with you
D. to make this product possible

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單項選擇題

We’ll do our（）to make your visit worthwhile.

A.best
B.much
C.most
D.worst

單項選擇題

Shall we get straight（）to business?

A.in
B.down
C.over
D.for