Student or Learner
Are the following sentences natural to a native ear?
1. Under which items were those charges listed on the bill. ( I was talking to my phone company about some internet usage charges billed to me)
2. I am going to muster up the guys and will meet you at the elevators.
3. I need to go to the washroom and will meet you in the parking.
With regard to #3, in AmE we would say "parking lot" for an outdoor facility or "garage" for an indoor one.