[ Modal Verbs of Certainty and Possibility ]
You _____ tired. You’ve been sleeping for hours.
A. can’t have been
B. can’t be

Random Topics:
Mixed ConditionalsTime and CalendarSubjunctiveModal Verbs and PermissionPassive Voice, Question Tag, PrepositionsComparative and SuperlativesPrepositions and Phrasal VerbsVerb Forms and PrepositionsDirect and Indirect SpeechActive vs. Passive VoiceOther quiz:
Some & Any › ViewThere are _____ sandwiches, but there _____ any chips.
A. some / aren’t
B. any / aren’t
C. some / are
D. any / are
Grammar › View
How can you fix a sentence fragment that starts with a coordinating conjunction?
A. By adding a subject
B. By adding a verb
C. By attaching it to the sentence before it
D. By adding an adjective
Past Perfect Tense › ViewWhen Airi _______ at school, she realized she _______ her textbook.
A. Had arrived, forgot
B. Arrived, had forgotten
C. Forgot, had arrived
D. Had forgotten, arrived
Vocabulary › View
He has a very positive __________ on life, and he always sees the bright side of things.
A. outlook
B. hobby
C. personality
D. insight
