Answer:
Tom couldn't attend the meeting because of a previous engagement.
Tom has been hunting for a job since he lost his previous job last year.
Tom connected the TV to the antenna that the previous owner of his house had mounted on the roof.
Explanation:
Well...it might be that old "supply and demand" factor. As one example: a corporation/rancher/farmer might have the "demand" and the immigrant might have the "supply."
Inarticulate means not being able to speak or express clearly. In this case, Peter was inarticulate because he was angry when Mr. Dussel teases Peter about his cat which he loves very much. Not the same with Mr. Dussel who claims he is allergic to cats.