✨ ベストアンサー ✨
ア：I always remind when I was a junior high school student when I heard the song.
⇒ The song always reminds me of my junior high school days.
※S remind 人 of もの・人 Sは人にもの・人を思い出させる
イ：I fortunately could make many good friends and find something I want to do.
⇒ Fortunately, I could [make many good friends] and(等位接続詞) also [find something I wanted to do later on].
＜等位接続詞and：[ ]と[ ]をつなぐ 時制の一致：過去 later on：その後、あとで＞
※文頭の副詞：分全体を修飾する ＝It was fortunate that I could make … in the future.