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單項選擇題The buyer should open the ______L/C 30 days _____the time of shipment.

A. relative．before
B. relevant．on
C. covering, after
D. above, for

1.單項選擇題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

2.單項選擇題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

3.單項選擇題Every year, we export sunflower seeds ____ large quantities _____ the far East

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

4.單項選擇題It is necessary to make a status inquiry ____ your customer before the execution of the order.

A. into
B. about
C. for
D. after