[ Perfect Tenses ]
They________________a computer.
A. hasn’t buy
B. hasn’t bought
C. haven’t buy
D. haven’t bought

Random Topics:
Toeic VerbSimple Present and Present Continuous Tenses�Put� Phrasal VerbDo not or Does notPassive Voice Present SimpleConditional 0Time PhrasesIndependent and Dependent ClausesMesopotamia VocabularyClauses of ReasonOther quiz:
Tenses › ViewIdentify the sentence in present continuous tense.
A. They are playing basketball in the park
B. She will go to the concert next week
C. He finished his homework yesterday
D. We have been to that restaurant before
Grammar › View
WHOSE SWEATER IS THIS?
A. THEY ARE TIM’S SWEATER.
B. THEY ARE TIM’ SWEATER.
C. IT IS TIM’S SWEATER.
Grammar › ViewIf the accused woman pleads guilty, it ___an open-and-shut case
A. would’ve been
B. may be
C. may have been
D. will have been
Tenses › View
During his stay in Rome, Elmer _______________ a lot of photographs.
A. pushed
B. put
C. took
D. caught