26._______a nurse,she knew how to take care of a patient. A.Been B.Being C.To be D.Be

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26._______a nurse,she knew how to take care of a patient. A.Been B.Being C.To be D.Be

26._______a nurse,she knew how to take care of a patient. A.Been B.Being C.To be D.Be
26._______a nurse,she knew how to take care of a patient. A.Been B.Being C.To be D.Be

26._______a nurse,she knew how to take care of a patient. A.Been B.Being C.To be D.Be
B