[ Grammar ]
Listen! I (think)————- someone (knock)———at the door
A. thinking – knocking
B. think – knock
C. think – is knocking
D. think – knocking
Select your answer:
Random Topics:
Possessive Nouns with Apostrophes and PronounsActive and Passive voiceUnless If First ConditionalDefinite and Indefinite ArticlesGrammar - too & enoughTenses and VerbsGrammar - FutureAdjective or AdverbSimple Past - Irregular VerbsProgressive Perfect and Simple Verb TensesOther quiz:
Pre-intermediate › ViewChoose the correct option to complete the sentence:
Everyone is _____________ of something
A. fear
B. fears
C. frightened
D. phobic
Grammar › View
They _______ never explored a cave.
A. are
B. has
C. have
D. did