[ Grammar ]
While I _________, someone rang the doorbell.
A. am sleeping
B. was sleeping
C. sleeping
D. sleep

Random Topics:
PoetryGrammar - could / could notGrammar - must & have toModal Verbs & Reflexive PronounsGrammar - to beArticles & Compound NounsCountable & Uncountable NounsComparatives and ConjunctionsModifiersVerbal and Appositive PhrasesOther quiz:
Grammar › ViewHe didn’t answer the phone so I _____.
A. hung in
B. hung out
C. hung up
Pronoun › View
Karl: Maybe you’re right. I don’t think ______ are here for the party!
A. These
B. Those
C. Them
D. They
The bride _____ after the groom.
A. run
B. ran
C. running
D. runs
Gerund/ To Verb/ Verb › View
Before ………….a teacher, he worked in advertising
A. to become
B. becoming
C. become
