I've used this as a teaching aid in my ESL classes in the past.
Very useful for people who do not have the TH sound in their native language.
It's irrelevant that it is an ad for an English school.
I've used this as a teaching aid in my ESL classes in the past.
Very useful for people who do not have the TH sound in their native language.
It's irrelevant that it is an ad for an English school.