7)Use the word in the list to complete the dialogue below.
      am,is,are,do
A:Hello?
B:Hello,Tracy.This..........Tom.What........you doing?
A:Hi,Tom..........studying for an exam.How........you?
B:Oh,I.............fine.I want to ask you a question.
A:Sure.
B:..........you know anyone who repairs cars?
A:Of course..........!My cousin Jeff......... a mechanic.He loves repairing cars-especially old anes like yours!