阿摩線上測驗
7. Heavy fog and unpredictable crosswinds began to ______ the climbers’ progress, forcing them to halt their ascent midway up the mountain.
(A) impede
(B) refute
(C) abrogate
(D) engender
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統計： A(19), B(1), C(4), D(4), E(0) #3829465
統計： A(19), B(1), C(4), D(4), E(0) #3829465
