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90 % of the debts so far. A. is paid back B. have been paid off C. has been paid

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90 % of the debts so far. A. is paid back B. have been paid off C. has been paid

 90 % of the debts _______ so far.

A. is paid back    B. have been paid off   C. has been paid off   D. are paid off

试题答案

C