In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

He was the first chairman of the British Association for Applied Linguistics , 1967-70 .
He was the first Chair of the British Association for Applied Linguistics , 1967 – 70 , and was instrumental in developing the field of applied linguistics in the United Kingdom .