問題詳情

38. He started his own business five years ago. That was ________ he began to be independent of his parents.
(A)where
(B)when
(C)what
(D)which

參考答案

答案:B
難度:簡單0.81125
統計:A(30),B(1298),C(213),D(59),E(0)

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