高中英语 Unit17 Laughter Section Ⅱ Lesson 2 Laughter Is the Best Medicine课时训练 北师大版选修6

Section Ⅱ Lesson 2 Laughter Is the Best Medicine 课时训练Ⅱ基础夯实Ⅰ.根据句意及首字母或汉语提示,填写单词1.She is a　　　　　 as the