We successfully _____________ (organize) a webinar last month. 

Arliando _____________ (conduct) a research on the trend of TikTok among students in DWCU. 

Putri _________ (deliver) a marvelous speech on how to deal with burnout two weeks ago. 

Slamet and Tania ____________ (produce) more than 5 films since they first ________(open) their production house back in 2020.