問題詳情

38. John is a very careful person. He ____ be so careless as to forget to lock the door beforegoing to bed.
(A) must not
(B) cannot
(C) might not
(D) can

參考答案

答案：B
難度：非常困難0
統計：A(2),B(0),C(0),D(0),E(0)