They have decided to allow us an 18% discount to avoid（）another old customer of theirs.

Unfortunately，quite a number of the users a redissatisfied（）your Straw Baskets supplied to Order No.T90.

A.to
B.with
C.on
D.above

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We are pleased to know that you have planned to come to the Autumn Guangzhou Fair.We wish to discuss with you some other important things if you could come（）your earliest convenience.

A.by
B.on
C.in
D.at

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