How to teach a foreign language. How to teach a foreign language 并列题名：How to teach a foreign language English as a foreign language Ru he jiao wai yu/: How to teach a foreign language, How to teach Chinese as a second language Ru he jiao wai yu =: How to teach a foreign language/ Natural approach to teaching foreign language Vocational Chinese as a foreign language Ru he jiao wai yu =: How to teach a foreign language /