Lesson 41 Do you call that a hat?

词汇学习
rude adj. 无礼的
mirror n. 镜子
hole n. 孔
remark v. 评说
remind v. 提醒
lighthouse n. 灯塔

语法学习
must 必须 [情态动词]

need 情态动词[+v.原形]
否定句 needn't
疑问句 Need I…?[希望得到否定回答]

实意动词
肯定句need to do
否定句don't need
疑问句 Do I need to do…?