20. Spiner Software has chosen to work with Brent Accounting
_______ renewing there work agreement with Marina Accountants.
(A) exept that
(B) unless
(C) if
(D) insted of
정답은 (D) 인데, renewing there work agreement with Marina Accountants <<--
이 구문이 이해가 잘 안가요..... renewing과 there사이에 무엇이 생략되어있는건가요?
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