状语从句连词when/while/as的用法 — 英语填空题
题目
用 when / while / as 填空（每空限填一词）：Teenagers' moods change (1) ___ they grow up, and parents often feel confused. My mother was reading my diary (2) ___ I suddenly opened the door. (3) ___ I prefer chatting online, my parents think face-to-face talk matters more. (1)(2)(3)三空依次应填：