j. Is Mark in his room? Yes, he is. He is writing an essay.
k. Cuckoos never build nests. They use the nests of other birds.
l. I am writing a letter instead of my homework. I need to tell my friend some things.
m. When does the meeting start? It starts at 8 a.m.
n. Do you want to go to the movies tonight?
o. Who is Jenny dancing with? Oh, that is her brother.
