sorry to have been late again,sir,I ____ public transport.it was too slowA shouldn't have takenB must have takenCwouldn't have takenD couldn't have taken应该选哪个,

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sorrytohavebeenlateagain,sir,I____publictransport.itwastooslowAshouldn''thavetakenBmusthavetakenCwoul

sorry to have been late again,sir,I ____ public transport.it was too slowA shouldn't have takenB must have takenCwouldn't have takenD couldn't have taken应该选哪个,
sorry to have been late again,sir,I ____ public transport.it was too slow
A shouldn't have taken
B must have taken
Cwouldn't have taken
D couldn't have taken
应该选哪个,

sorry to have been late again,sir,I ____ public transport.it was too slowA shouldn't have takenB must have takenCwouldn't have takenD couldn't have taken应该选哪个,
A shouldn't have done ...意为:本不应该做什么,实际已经做了