54. While we _______ on the Golden Gate Bridge, we witnessed a car accident.
(A) were driving
(B) had been driving
(C) would drive
(D) were to drive

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統計： A(0), B(1), C(0), D(1), E(0) #3361976

詳解 (共 1 筆)

#6835032
好的，讓我們來詳細解析這道考題。 1. ...
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