22. Don’t turn off the computer before closing all programs you could have problems(A) or(B) and(C)

問題詳情

22. Don’t turn off the computer before closing all programs you could have problems
(A) or
(B) and
(C) but
(D) so

答案：A
難度：適中0.5
統計：A(1),B(0),C(1),D(0),E(0)