7/ Some preparations have been made for their exam
8/ She was sent a present for her birthday..
9/ She wishes she could help him for his homework.
10. Dinner is often cooked by my mother at 5pm
11/ Sally wishes she knew how to make a pizza
12/ We wish they did something for their mini project/
13/ They wish they performed better
14/ A new house was built outside of the town
15/ I wasn't invited to the party
16/ Her hands should be washed before meals
17/ She wishes the machine worked well
18/  Is your mother often helped?
19. Tom wishes he was rich.
20/ Their old teacher have been already met them.