without the storm,we (should have arrived )much earlier.为什么用should have arrived?A,should arriveb,should have arrived什么用B

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withoutthestorm,we(shouldhavearrived)muchearlier.为什么用shouldhavearrived?A,shouldarriveb,shouldhavearr

without the storm,we (should have arrived )much earlier.为什么用should have arrived?A,should arriveb,should have arrived什么用B
without the storm,we (should have arrived )much earlier.为什么用should have arrived?
A,should arrive
b,should have arrived
什么用B

without the storm,we (should have arrived )much earlier.为什么用should have arrived?A,should arriveb,should have arrived什么用B
虚拟语气拉
与过去相反
主句用should have done,即应选B should have arrived.