[ Present Perfect Continuous Tense ]
She … with the research team since January.
- has been working
- have been working

Random Topics:
Although / DespiteParallel Structure or Combining SentencesVerb TenseVerbsToo or EnoughNoun, Adjective, and Adverb ClausesAdverbs of Time and PlaceTenses PracticeReported - GerundApostrophe GrammarOther quiz:
Tenses › ViewHe visited his grandparents last weekend.
A. Present Simple
B. Present Continuous
C. Past Simple
D. Future Tense
Kinds of Nouns › View
Kalpana Chawla
A. Common Noun
B. Proper Noun
C. Collective Noun
D. Abstract Noun
Grammar › ViewI have a brother. …is a pilot.
A. He
B. She
C. You
D. They
Modal Verbs › View
I’m not sure if I ………… attend the party tomorrow. It depends on my work schedule.
A. should
B. could
C. may
D. must
