来自邓燕妮的问题
Allflights____,wedecidetotakeagreyhound.A.werecanceledB.hadbeencanceledC.havingcanceledD.havingbeencanceled为啥选C?
Allflights____,wedecidetotakeagreyhound.
A.werecanceled
B.hadbeencanceled
C.havingcanceled
D.havingbeencanceled
为啥选C?
1回答
2020-12-27 05:38