[ Present Perfect Tenses ]
They ______ their project for three months.
A. have been working on
B. work on
C. worked on
D. are working on

Random Topics:
Present ContinuousLinking VerbRelative Clauses PronounsCollective NounsNoun PhraseSimple Future - Passivewas wereAdjectives and DegreesPast Continuous Tense & Past ModalsSubject, Object, Possessive Pronoun and Possessive AdjectivesOther quiz:
Correlative Conjunctions › ViewWhat is the correct correlative conjunction pair in the sentence: ‘Whether you succeed or fail, always give your best.’?
A. Whether…or
B. succeed…fail
C. always…best
D. you…your
Grammar › View
I _____ at school yesterday. I was at my grandma’s house.
A. isn’t
B. wasn’t
Grammar › ViewIt_____pretty.
A. is
B. are
C. am
Phrasal Verb › View
It’s very difficult to break ……. with someone who you still love.
A. in
B. up
C. down
D. out
