We cannot entertain your suggestion ______ it does not seem workable.
A. because B．for C．so D．therefore
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a．中国驻外商务参赞处
b．中国贸促会
c．国内外商会
d．中国商务部
e．贸易商名录
We enclosed our Purchase Confirmation No． 4848 ______ duplicate.
A. in B．for C．with D．through
We offer firm for reply 11 a．m． tomorrow.
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