Fixing Table alias inside a dynamic SQL query

I had this question after viewing Fixing Temp Table inside dynamic query.

How to fix the table alias here:

DECLARE @AsIsTable nvarchar(MAX);
DECLARE @ChangingAsIsColumnsToTheEquivelantValuesSQL varchar (MAX);
SET @ChangingAsIsColumnsToTheEquivelantValuesSQL = N'SELECT
 ID
,(SELECT ServiceTypeID FROM [dbo].[tb_List_ServiceType] WHERE ServiceTypeName = R.ServiceTypeName) As ServiceTypeID
FROM' +@AsIsTable + ' AS R';

EXECUTE(@ChangingAsIsColumnsToTheEquivelantValuesSQL)

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Thanks a lot in advance.
Harreni