A.
1) cooked
2) doesn't like; eats
3) saw
4) was
5) will move
6) is sleeping
7) couldn't
B.
1) the highest
2) smarter
3) the youngest
4) the worst (слово исключение).
5) busier
6) the most colourful
C.
1) How often did he go to school last year?
2) Where does Cathy love going on Sundays?
3) What is Tom doing at the moment?
4) What time do the children usually go to bed?