Если ты в третьем опечатлся и вместо f - a, то правильно Б:
1) You could do you home exercises yesterday
2) To make a pie you need a little butter, 2 apples, flour and some sugar
3) I think Westminster Abbey is a true symbol of London
4) I don't want to go home alone
Если не опечатался, то правильно Г:
1) You could do you home exercises yesterday
2) To make a pie you need a little butter, 2 apples, flour and some sugar
4) I don't want to go home alone