5、ontoaproductin______,A.Part1B.Part2C.Part3D.Part42.WhichofthefollowingismostprobablywrittenininformalEnglish?A.Aletterofcomplaint.B.Acomputerhandbook.C.Alettertoafriend.D.Astoryofapresident.3.Thepassageismostprobablywrittenfor_____.A.testdesignersB.studentsC.test-takersD.teachers B