19. John, look at the time. ___________ you play the piano at such a late hour?(A) Must(B) Can(C) Ma

問題詳情

19. John, look at the time. ___________ you play the piano at such a late hour?
(A) Must
(B) Can
(C) May
(D) Need

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