For the development of the speech I think that to try to speak English with your friends, whether they are foreigners or friends of friends, and talk with Thailand as well as if not sure where it's from.
Development of speech I think that to try to speak English with friends, whether it is foreign or a friend or Thailand. And talking with family and not sure where it is, ask the teacher.
For the development of speech. I think to try to speak English with friends, whether it is foreign or Thai friend's three. And say to the family, as well as if not sure where to ask the teacher.