A. We regret that the goods you inquire about are not available.B. We can offer you a quotation based upon the international market.C. Moreover, we’ ve kept the price close to the costs of production.D. I should have thought my offer was reasonable. 我本以为我的报价是合理的。

A．While dieting, you should ask the doctor so that you can lose your weight quickly.
B．Overweight persons should watch their diet carefully so as to lose pounds.
C．When dieting, you can have some coffee and tea without sugar or cream.
D．As you are dieting, don’t forget exercise.

A．the country they are going to visit
B．the Department of State’ s website
C．the authorized travel agency
D．the Western Hemisphere Travel Initiative