情态动词 must/mustn't 用法 — 英语词汇题
题目
看情境,用 must 或 mustn't 填空。(每空一词)
Tom 的新家规:
1. You ___ feed the dog every day. It's hungry.(必须喂狗)
2. You ___ run in the house. It's dangerous.(房子里禁止跑)
3. You ___ wash your hands after playing outside.(外出玩耍后必须洗手)
4. You ___ watch TV after ten o'clock. It's too late.(十点后禁止看电视)