[单选题] your letter of March 5，we are pleased to inform you that the L／C has been received.

1、[单选题]Our investigation shows that damage was caused improper packing,so we have to refer the matter to you.

• A、to
• B、in
• C、with
• D、by

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2、[单选题]The cases should be they can easily be made tightly closed again after being opened.

• A、as such so as
• B、of such a type that
• C、like this so that
• D、of such a type which

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3、[单选题]Our quotation is to change without notice.

• A、subjecting
• B、subjected
• C、subject
• D、subjects

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4、[单选题]Your letter of September10 to Fujian foreign trade corp.has been passed on to us for attention and reply.

• A、addresses
• B、addressing
• C、addressed
• D、being addressed

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5、[单选题]Your firm has been referred to us by the ABC Co.,of Pakistan,we have done business for many years.

• A、which
• B、with that
• C、whom
• D、with whom

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