21, …they spent their holidays on a farm every year.
22, … they had gone for a picnic.
23, … his mother had come home late.
24, …he was looking for his key.
25, …they had bought a farmhouse in the country.
26, …he had been to the top of the Empire State Building.
27, …she had forgot to give him her address.
28, … he liked science fiction books.
29, …to come in
30, … to sit down.
31, …to call a doctor.
32, … to eat the pizza.
33, …to tell everything.
34, …he had visited that museum the previous week.
35, …she was the best for that job.
36, … the crisis would be overcome the following year.
37, … nobody had ever fallen off a horse there.
38, …none of his workers had to work overtime then.
39, … to stop the car.
40, …not to be so loud.
41, … to keep moving.
