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Our company has 30years’ experience()the machinery line.
A.on
B.in
C.about
D.of
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As the goods are()great demand we regret being unable to cover your requirements.
A.in
B.on
C.of
D.having
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Pleases end us the amendment()L/C immediately or we shall not be able to ship your order on time.
A.of
B.to
C.asto
D.with
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