That bird flew in here. It ……………… be a penguin.
A. could
B. can’t

Random Topics:
Gerund, Infinitive, Bare VerbBasic GrammarSubordinate ConjunctionsGrammar Comma UsageNouns, Articles, DeterminersPronouns, Sentence Structure, and Figurative LanguageGrammar, Conditional Sentences, VocabularyIndependent and Dependent ClausesSimple Past Tense (was/were)Grammar - Reflexive PronounsOther quiz:
Tenses › ViewWhen he´d had breakfast, he read the newspaper.
A. he read the newspaper while having breakfast
B. he read the newspaper before having breakfast
C. he read the newspaper after having breakfast
Modals of Speculation and Deduction › View
Explain the difference between using ‘must’ and ‘might’ for making deductions.
A. The use of ‘must’ indicates a higher level of certainty in making deductions, while ‘might’ indicates a lower level of certainty or possibility.
B. Both ‘must’ and ‘might’ indicate the same level of certainty in making deductions.
C. The use of ‘must’ and ‘might’ is interchangeable in making deductions.
D. The use of ‘must’ indicates a lower level of certainty in making deductions, while ‘might’ indicates a higher level of certainty or possibility.
Grammar › ViewAn alien named Pluto was my best _______
A. frend
B. freind
C. friend
Vocabulary › View
Which word means “a tool used for cutting”?
A. Spoon
B. Scissors
C. Brush
D. Pencil
