classes:  lecturer. "Er, er, er, er, er, er" all speak basic English words, which words are difficult to glide through or swallow sound lost, so students ask, answer in Vietnamese while forcing students to ask in English?  curriculum. "Er, er, er, er, er, er" all speak basic English words, which words are difficult to glide through or swallow sound lost, so students ask, answer in Vietnamese while forcing students to ask in English?  facility. "Er, er, er, er, er, er" all speak basic English words, which words are difficult to glide through or swallow sound lost, so students ask, answer in Vietnamese while forcing students to ask in English?  general. "Er, er, er, er, er, er" all speak basic English words, which words are difficult to glide through or swallow sound lost, so students ask, answer in Vietnamese while forcing students to ask in English?