250.
(A) losing; to keep
(B) to lose; keeping
(C) losing; keeping
(D) to lose; to keep

答案:登入後查看
統計: A(10), B(7), C(11), D(6), E(0) #1593320

詳解 (共 1 筆)

#3831458
Risk為可及物動詞 冒...的風險後面...
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