In the formal course of Putonghua proficiency test, teachers offer specialized courses to train students' Putonghua proficiency. Without training, they can only teach themselves Mandarin.
Putonghua test generally refers to Putonghua proficiency test. Putonghua proficiency test (Putonghua proficiency in Shi Ce; PSC) is an oral test to test the level and proficiency of candidates in using Putonghua.