37. Mr. James teaches a class for students whose native language is Japanese.
38. The year when she was born is 1983.
39. I work in a company whose employees come from many countries in the world.
40. This is the boy who plays football very well.
41. We are learning sentences that contain adjective clauses.
42. The girl whose eyes are bright is smart.
43. The day when boys and girls go together is Saturday.