私は彼女が後ろにいるのを見つけ、彼女と一緒に帽子をかぶり、あちこちで手を貸しました。

I found her at the back, with a few other students around. I went straight over. I began chatting with her, lending a hand here and there as she worked away. Eventually, I sat on the desk right in front of her desk, and the view I got was quite enticing.