题目内容
This system allows businessmen to keep ______of their list of goods by showing which items are
being sold and how fast they are moving.
A. sight B. track C. touch D. sign
B

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题目内容
This system allows businessmen to keep ______of their list of goods by showing which items are
being sold and how fast they are moving.
A. sight B. track C. touch D. sign
B