English language - United States - Problems, exercises, etc.

American headway : teacher's resource book by: Soars, Liz; Soars, John; Castle, Matt (Language materials, printed)

American headway : workbook by: Soars, Liz; Soars, John (Language materials, printed)

American headway : teacher's book by: Soars, Liz ... [et al.] (Language materials, printed)

American English as a foreign language by: Stevens, Sandra; Vallecillo, Bismarck (Language materials, printed)

American hotline starter student book by: Hutchinson, Tom; Flamm, Jacqueline (Language materials, printed)

American hotline intermediate student book by: Flamm, Jacqueline; Hutchinson, Tom (Language materials, printed)

American headway : student book by: Soars, John; Soars, Liz (Language materials, printed)

American headway starter : student book by: Soars, Liz; Soars, John (Language materials, printed)