[ Perfect Progressive Tenses ]
They ______ (not/sleep) when the alarm went off.
A. were not sleeping
B. have not been sleeping
C. had not been sleeping

Random Topics:
Present TenseConstrative ConjunctionParticiple - ing/ edRelative Pronouns with PrepositionsNounSubject/Verb Agreement with Collective NounsComparison Degree & GerundsVerb Present Simple TensePast Tense & Present Perfect TenseQuestion TagsOther quiz:
Simple Present Tense › ViewMy parents ___________ in a very small flat.
A. live
B. are
C. read
D. work
Grammar - Be going to › View
She ________________________ bake a cake tomorrow.
A. going to
B. is going
C. is going to
D. is gone
Vocabulary › ViewWhat does ‘Elusive’ mean?
A. Difficult to find, catch, or achieve.
B. To firmly establish (an attitude, habit, or belief) so that change is difficult or unlikely.
C. To remove the inner organs of a body; metaphorically, to deprive of essential content.
D. The quality of being full of energy, excitement, and cheerfulness.
Subjunctive › View
I wish I ____ at home.
A. Was
B. Were
C. Either could be used here.
