3-- ok
4-- ok
5-- NO. Hard to tell. 'Giotto' is spelled wrong. Probably they want 'are'.
6-- NO
7-- NO
8-- NO (there should be no finite verb in that clause at all)
9-- hint: 'apart from' is wrong
10- NO
11- all I can see is wayward commas an overly casual vocabulary
12- NO. no 'the'
13-...