Dorothy E. Zemach teaches composition courses and English as a second language at Central Michigan University in Mt. Pleasant, Michigan. She has a Certificate from the Sorbonne, B.A. from Reed College, and M.A.T. in ESL from School of International Training. She previously taught English, French, and Japanese and has been corporate trainer in business communication. Zemach has taught at several schools in Japan, University of Hawaii, and American Language Center in Rabat, Morocco. She is the author of teachers' manuals for business English texts and published grammar tests, as well as consulta...