We couldn't use the milk because it _____ had.A.has been B.has gone C.had been D.had gone要原因

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Wecouldn''tusethemilkbecauseit_____had.A.hasbeenB.hasgoneC.hadbeenD.hadgone要原因Wecouldn''tusethemilkbec

We couldn't use the milk because it _____ had.A.has been B.has gone C.had been D.had gone要原因
We couldn't use the milk because it _____ had.A.has been B.has gone C.had been D.had gone要原因

We couldn't use the milk because it _____ had.A.has been B.has gone C.had been D.had gone要原因
D.had gone
go bad 是变坏了的用法,
因为前面已经是过去式了couldn't,所以需要用过去完成时.had gone