問題詳情

1、( )John is a very careful person. He _______ be so careless as to forget to lock the door before going to bed.
(A)must not
(B)cannot
(C)might
(D)can

參考答案

答案：B
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)