70%
Complete Sarah's whispered complaints to her classmate during a particularly long science lecture. Choose the correct option for each blank.
"Is it just me, or is this lecture completely _________________________? I'm so _________________________ by these charts on the board. I was actually really interested _________________________ biology before today, but now I'm just trying to stay awake!"
exhausting, confused, in
The lecture is the cause of the feeling, so we use the -ing adjective (exhausting).
Sarah is describing her own reaction to the charts, so we use the -ed adjective (confused).
Finally, the adjective "interested" is always paired with the preposition in (interested in something).