問題詳情

8. It is difficult for Betty____  such a big house by herself.
(A) clean
(B) cleaning
(C) cleaned
(D) to clean

參考答案

答案：D
難度：適中0.666667
統計：A(0),B(0),C(1),D(2),E(0)

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原本題目:8. It is difficult for Betty such a big house by herself.(A) clean (B) cleaning (C) cleaned (D) to clean修改成為8. It is difficult for Betty____  such a big house by herself.(A) clean (B) cleaning (C) cleaned (D) to clean