32. 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(5), B(1), C(15), D(97), E(0) #3271924
統計: A(5), B(1), C(15), D(97), E(0) #3271924