[ Grammar ]
They _____ television when suddenly someone knocked at the door.
A. watch
B. are watching
C. were watching
D. have watched
Select your answer:
Random Topics:
Nouns and QuantifiersAuxiliary WordsGrammar TOEFLRelative Clauses with who and whichAll, Both, Neither, None, EitherFunctional Sentence TypesFuture Perfect TenseTenses and ArticlesGrammar : Must (Necessity)Common ErrorOther quiz:
Third Conditional › ViewIf she __________ (study) more, she __________ (pass) the exam.
A. had studied – would have passed
B. had study – would passed
Tenses › View
What ________ this time tomorrow?
A. will you do
B. will you be doing
C. will you have done
D. will you have been doing