using System;
public class Test
{
public static void Main()
{
string a = "I have";
string b = "two apples";
string[] array = a.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
Console.WriteLine(array[0] + " " + b + array[1]);
Console.WriteLine(a.Insert(a.IndexOf(' ') + 1, b));
}
}
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