Which is the natural sentence? ( she's in charge of~/ she's a~/...
Which is the natural sentence? If here isn't any sentence that sounds natural, please give me other sentence.
1.She's in charge of bookkeeping-cum-assistant.
2.She's in charge of bookkeeping as well as assistant.
3.She's bookkeeping as well as assistant.
4.She's a bookkeeper and assistant.I mistyped setence 3. It should be *3.She's a bookkeeper as well as an assistant.