Артикаль нужен
1) what... Beautiful weather we are having today!
2)... London stands on... Themes
3)she has... Blue eyes and... Fair hair
4) he is... Handsome young man
5) my sister are... Student
6) my father is... Doctor

What _ beautiful weather we are having today._ London stands on THE Thames.She has _ blue eyes and _ fair hair.He is A handsome young man.My sister are _ students. My father is A doctor.