[ 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 › ViewI remember _________my best friend for the very first time.
A. meeting
B. to meet
C. meet
Grammar › View
You haven’t paid the rent yet. _____________, you owe me money.
A. So
B. In addition
My parents …………. angry last night because I ………….. late.
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