C2 CPE Use of English Part 3 Word Formation awareness exercise

Read each of the example sentences 1-20 in the quiz below and decide from the four options A-D what word form the highlighted word is. There is an example at the beginning (0).

(0) The article was criticised for being written very _________. 

A. ARTICULATE B. INARTICULATELY C. UNARTICULATE D. ARTICULATENESS

(Answer: B. INARTICULATELY)