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單項(xiàng)選擇題

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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We regret that it is necessary to complain（）the non-delivery of the10，000 tons of sugar under Contract BC-023.

A.concerning
B.about
C.regarding
D.with

單項(xiàng)選擇題

When the good sare ready，the shipping agent will（）and（）them to the docks.

A.deliver，collect
B.collect，send
C.deliver，send
D.collect，deliver

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