1. Complete with the corret verb to be (am,are,is):
a. Lucy and I_______students.
b. Frank and I_______studying.
c. He and she_______twins.
f. Joseph and John________friends.
g. Jonnhy and she_______singers.
h. She_______a singer.
i. The birds________flying.
j. The boy_______single.
k. the girls_________dancing.
l. Mariah and I___________cool.
m. I and you_________speaking.
n. Rafael________a teacher.
o. Taiane and Iriane________our secretary.
p. Hellen, Clóvis and Solange___________English teachers.
q. Bruno and luiz_________happy.
r. Angela__________working now.
s. The teachers and I_________working.