Choose the right words:

1. A lot of developed developing home gain skilled stem flight wages conditions technically countries are facing the challenge of human capital developed developing home gain skilled stem flight wages conditions technically .
2. Something should be done to developed developing home gain skilled stem flight wages conditions technically this phenomenon.
3. One way to deal with this problem is to provide high developed developing home gain skilled stem flight wages conditions technically and good working developed developing home gain skilled stem flight wages conditions technically for highly developed developing home gain skilled stem flight wages conditions technically people to keep them in their developed developing home gain skilled stem flight wages conditions technically country.
4. Brain developed developing home gain skilled stem flight wages conditions technically occurs when developed developing home gain skilled stem flight wages conditions technically countries receive developed developing home gain skilled stem flight wages conditions technically qualified people.