23. _____ hard for the final exam, Bob finally achieved a very good grade. (A) Studied (B) To study

問題詳情

23. _____ hard for the final exam, Bob finally achieved a very good grade.
(A) Studied
(B) To study
(C) Having studied
(D) Being studied

參考答案

答案：C

統計：A:3,B:3,C:8,D:4,E:0

難度：計算中

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