When Carol _________ dinner, someone __________ on the door. ...

[ Tenses ]

When Carol _________ dinner, someone __________ on the door.

A. was cooking/ was knocking

B. was cooking/ knocked

C. cooked/ knocked

D. cooked/ was knocking

Select your answer:

Random Topics:
Grammar (was, were, could, could not)Passive Voice of Tenses Past Perfect or Past Perfect Continuous Preposition and Preposition Phrase used to, be used to, get used to Modals and Comparative Superlative Grammar - Future Action Past Simple and Past Continuous Comparatives or Superlatives

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