[单选题]An exporter cannot receive payment until the goods on consignment（）sometime in the future.

正确答案 ：D

have been sold

[单选题]We have received orders（）US$1，000，000 since the new product was introduced to the market.

正确答案 ：D

amountingto

[单选题]I appreciate（）the opportunity to visit your factory.

正确答案 ：A

having been given

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