23. I’m so glad that I left early, or I _____ caught in the accident.
(A) could was
(B) could have been
(C) can to be
(D) can been
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統計: A(40), B(304), C(12), D(11), E(0) #2897525
統計: A(40), B(304), C(12), D(11), E(0) #2897525