[ Past Continuous Tense ]
You _____ _______ on the door but I was not at home.
A. were knocking
B. was knocking
C. knock ing

Random Topics:
Grammar - Sentence StructureSentence Structure and Verb TensesToeic VerbEs and SModal Verbs of Deduction and SpeculationAdverbs & to beActive Voice-Present tenseContrastive ConjunctionVerb BESuperlative AdjectivesOther quiz:
Grammar › ViewIs the following phrase a sentence or a fragment?
Jayden loves KFC and is excited to have it for dinner tonight.
A. Fragment
B. Sentence
Grammar › View
The baby girl’s smile was the sun on dark days.
What does the metaphor mean above?
A. The baby girl’s smile made other people happy.
B. When the baby girl smiled the sun would rise.
C. The baby never smiled.
D. The baby girl’s smile made the moon come out.
Grammar › ViewOn a night …
there was a big thunderstorm, the friends decided to tell each other frightening stories.
A. when
B. who
C. where
D. which
Relative Pronouns › View
Mary is the person … is very kind.
A. who
B. which
C. whom
D. whose
