个人收集整理 仅供参考学习高一英语同步练习：必修3 Unit 1 Festivals around the world第3课时：Discovering Useful Structures/ Grammar基础练习 ：语法呈现 New grammar items: Modal verbs-to express certaintyb5E2RGbCAP查阅课文，指出下列各句中情态动词地用法：1.Most ancient festivals would celebrate the end of cold weather, planting in spring and harvest in autumn.( P1)（ ）p1EanqFDPw2. Some festivals are held to honor the dead or to satisfy the ancestors, who might return either to help or to do harm. (P2)（ ）DXDiTa9E3d3.They al
