10. By the time she retired, she _____ countless negotiations on behalf of the company, though she had never once lost her temper in public.
(A) led
(B) has led
(C) was leading
(D) had led

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統計: A(1), B(1), C(0), D(2), E(0) #3955150

詳解 (共 1 筆)

#7443819
By the time + 過去式動詞 ...
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