D
主语是三单,又有SINCE ,故用现在完成时被动语态,只有D对.
如果不明白,请再问；如果对你有所帮助,
请点击本页面中的“选为满意回答”按钮,谢谢!
The meeting ____ since 5 o'clock.A.has had B.had C.have been
1个回答
相关问题
-
has been / have been /had been …………
-
The meeting has been (提前)to eight o,clock
-
That is true.But it has been so long since I have had the co
-
A.have come B.had come C.have been
-
The BeijingOlypic Games___mascot.A.have B.has C.had
-
英语选择!How long has the meeting been on?_______ two o'clock.A.
-
have been / has been / had been 的区别
-
Had it not been for the alarm clock she wouldn't have been l
-
The room__when I arrived.A.had cleaned B.is clean C.has been
-
One of the girls ____a new doll.A have B has C having D had