23.To avoid possible dispute ____ quality, both sides should describe the goods clearly.
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24.Subject____satisfactoryreferences,wewouldbegladtoconsideropenaccountterms.
A. of
B. on
C. to
D. in
25.____ an order for over 500 pieces we would allow a special discount of 5%.
A.In case
B.In case that
C.In the case
D.In case of
26.We are glad to say that we can supply any quantity of dried seafood from stock ____ the exact specifications of your sample.
A.at
B.for
C.of
D.to
27.Any information sent to us will be held in strict confidence and will entail no obligation ____ your part.
A.on
B.for
C.after
D.into