阿摩線上測驗
16. When the fire broke out in the laboratory, Mr. Galway, having been a fireman at one time, knew _____.
(A)how exactly to do
(B)exactly to do what
(C)how to do exactly
(D)exactly what to do
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統計： A(0), B(0), C(0), D(1), E(0) #3915267
統計： A(0), B(0), C(0), D(1), E(0) #3915267