39. While he was studying classical literature, he also began to ____

問題詳情

39. While he was studying classical literature, he also began to _____ ancient Greek history.
(A) turn down
(B) dig in
(C) turn out
(D) dig into

答案：D
難度：困難0.333333
統計：A(2),B(2),C(2),D(4),E(0)