问题
选择题
No sound and no voice______ for a while.
A.have heard
B.has heard
C.has been heard
D.have been heard
答案
答案:C
考查主谓语的一致性和现在完成时的被动语态。No—and no----指同一概念,作主语时用单数,且与hear为被动。
No sound and no voice______ for a while.
A.have heard
B.has heard
C.has been heard
D.have been heard
答案:C
考查主谓语的一致性和现在完成时的被动语态。No—and no----指同一概念,作主语时用单数,且与hear为被动。