21. Three hundred people were invited to the wedding by Mary and Tom.
22. I haven’t seen her for 10 months.
23. We wish we could go out.
24. We used to go camping together.
25. Two million books were sent to America every year.
26. Peter is not old enough to see the horror film.
27. What an intelligent girl!
28. She has long black hair.
29. Alexander G. Bell was the inventor of telephone.
30. Let’s go to the movie tonight.