[ Present Perfect Tense ]
They________________(not/buy) a Computer.
A. hasn’t buy
B. hasn’t bought
C. haven’t buy
D. haven’t bought

Random Topics:
Parts of Speech and Compound SentencesQuantifiers and ArticlesGrammar and PunctuationVerb + Infinitive or GerundPresent Simple and ContinuousSubject Verb Agreement Irregular VerbModal Verbs and Contrastive ConjunctionsConjunctive Adverbs and PunctuationModals and Adjectives (ed-ing)Simple vs Continuous Past TenseOther quiz:
Grammar and Vocabulary › ViewEric ________ to Brazil last year on vacation.
A. did
B. went
C. had
Modals of Prediction › View
Helen is sick. She……be at school today.
A. will definitely
B. probably won’t
C. is definitely
D. isn’t
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A. were – were
B. was – was
C. was – were
D. were – was
Many vs. Much › View
How ___ people live in Los Angeles?
A. A lot of
B. Much
C. Many