задание С карандашом отметила английский

1/ seven oclock 
2/fifteen past seven 
3eight 
4/half past eight 
5/half past thirteen 
6/half past twelfth 
7/ fourteenth 
I do homework at twenty minutes to fefteenth/ I have a piano lesson at a half past fourteenth/ I have a dinner at 15 minutes to seventeenth/ I go to bed at a half past nine oclock pm