[ Tenses ]
When Carol _________ dinner, someone __________ on the door.
A. was cooking/ was knocking
B. was cooking/ knocked
C. cooked/ knocked
D. cooked/ was knocking

Random Topics:
Preposition FormPrepositions & Modal VerbsModal AuxiliaryActive-Passive VoicesFigurative LanguageProgressive TenseNo Excuse Words / Conjunction SOGrammar and SyntaxActive vs. Passive VoiceGrammar - too & enoughOther quiz:
Homonyms › ViewI ___ too much for dinner.
a. eight
b. ate
Grammar › View
Select the correct conjunction.
He was ill ____ he did not attend school for a week
_
A. as long as
B. just as
C. so
D. before
Prepositions › ViewDavid is always _____ time.
A. in
B. on
C. with
Homonyms › View
Meet me in the back ___.
a. lain
b. lane
