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16. Paper money was in _________ use in China when Marco Polo visited the country in _________13th century.
A. the, / B. the , the C. /, the D. /, /
17. Waiter: Here is the steak you ordered. Please _________and enjoy yourself.
Customer: Thank you.
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16. Paper money was in _________ use in China when Marco Polo visited the country in _________13th century.
A. the, / B. the , the C. /, the D. /, /
17. Waiter: Here is the steak you ordered. Please _________and enjoy yourself.
Customer: Thank you.