情态动词 must/mustn't 用法 — 英语填空题
题目
看情境，用 must 或 mustn't 填空。（每空一词）
1. It's late. I ___ go to bed now.
2. The light is red. You ___ cross the road now.
3. Dad says, "You ___ finish your homework before dinner."
4. The soup is hot. We ___ touch it.