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 off D. are paid off
试题答案
C

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