Study the situations A-D, then fill in the Past Continuous or the Past Perfect Continuous form of the verbs in brackets.
A. Jenny attended a modelling course in 2017. In 2018, she became a well-known model due to her training. 1. I met Jenny in 2017 while she ... (study) modelling. She was so talented that in 2018 she ... (appear) in runway shows for almost a year.