15. If I ____ this match and done so in a well-ventilated room, it would have lit.
(A) strike
(B) stroke
(C) had struck
(D) struck
(E) am striking
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統計: A(16), B(59), C(347), D(7), E(0) #2314545
統計: A(16), B(59), C(347), D(7), E(0) #2314545