Choose the correct form: She ____ in this hospital since 2019.

  • A. works
  • B. is working
  • C. has been working
  • D. worked

Explanation

An action that began in the past and continues into the present takes the present perfect continuous, and the marker since fixes the starting point. The simple present would describe a general habit with no link to 2019, and the simple past would mean she no longer works there. Use since with a point in time and for with a length of time.

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