阿摩線上測驗
16. Olga turned down the volume on the CD player. Otherwise, the neighbors probably _____ to complain about the noise.
(A) called
(B) had called
(C) would call
(D) would have called
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統計： A(4), B(13), C(25), D(27), E(0) #938651
統計： A(4), B(13), C(25), D(27), E(0) #938651