Because you moved out of the United States in 2019 you will be required to file a Dual-Status Return.
You will need to prepare a Form 1040 for the time you were in the U.S. and a Form 1040-NR for the period you were in Hong Kong.
TurboTax does not support Form 1040-NR or Dual-Status returns. You will need to use Sprintax to file a Form 1040-NR and the Dual-Status return. If you have questions you can contact Sprintax Help for assistance.
As to your 2nd Question, it no applicable since you will not be able to file a return through TurboTax.
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