— We could have walked to the station; it was so near. — Yes, a taxi ________at all necessary.

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must be must have been could be could have been

hoping　　　 to hope we hoped　　 being hoped

we had did we have had we we did have

hoped hoping for hoping having hoped

taxi ____ at all necessary. A.wasn’t hadn’t been couldn’t be wouldn’t be

didn’t need to take needn’t have taken needn’t take mustn’t take

hoping　　 to hope we hoped　 being hoped

wasn’t hadn’t been wouldn’t be won’t be

wasn’t hadn’t been wouldn’t be won’t be

had walked were walking would have walked must have walked

had walked were walking would have walked must have walked

hoping　　　　　　　　　　　　　　　　 to hope 　　 we hoped　　　　　　　　　　　　　　　 being hoped

to hope hoping hoped hope

expected to expect expecting expect

if we could could we whether could we if could we

would happen could happen would have happened needn’t have happened

may we finish could we finish could we have finished may we have finished

ride ___ at all necessary. A. wasn’t hadn’t been wouldn’t be won’t be