状语从句连词when/while/as的用法 — 英语词汇题
题目
用 when / while / as 填空（每空限填一词，每词只用一次）。1. My parents were preparing dinner ___ I was doing my homework in my room. 2. ___ teenagers spend more time with friends, they may talk less with their parents. 3. I understood my mother's love better ___ I read her long letter last night.