-What led to his success ?-He succeed working hardA.toB.inC.throughD.by
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—What led to his success ?
—He succeed _____ working hard
A.to
B.in
C.through
D.by
试题答案
D
本题回答语的含义是他通过努力工作而获得成功,by表示做某事的方式,与本题的题意相符,故本题选D。