情态动词must/have to用法 — 英语填空题
题目
用 must 或 have to 的适当形式填空（每空一词，注意部分填空需要用过去式）。1. It's raining heavily outside. You ___ take an umbrella with you. 2. Yesterday I ___ stay at home because my parents went to work. 3. Students ___ wear school uniforms at school every day, because it's a school rule.