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We would like to take this ____ to introduce ourselves as one of the leading importers in our country

A. place
B. time
C. occasion
D. opportunity

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Please quote us your lowest prices _ CIf Singapore basis for embroidered silk blouses _ prompt shipment.

A. in, for
B. from, for
C. on, on
D. from, on

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Every year, we export sunflower seeds large quantities _ the far East

A. in, to
B. to, in
C. in, in
D. to, to