Grammar focus 语法点
Is your class at 11:00 ？ # 带be动词的一般疑问句
Yes， it is
No， it isn't 相当于 is not
Practice 练习
Is his class at twelve o'clock？
No，he isn't. his class is at eleven o'clock.
Is your Appointment at half past twelve?
No, it isn't. My Appointment is at one thirty on November seventh # 具体某一天使用on
Is her Concert at eight o'clock?
No, she isn't. her concert is at half past eight.
Is your movie at six o'clock?
Yes, it is
Is your party at four o'clock p.m?
Yes，it is
Is his program at half past seven？
No， he isn't. his program is at seven o'clock.
Words:
meridiem n. 正午
paramount 最重要的；高级的
concert n. 音乐会；一致；和谐
hall n. 过道，门厅，走廊；会堂；食堂；学生宿舍；大厅，前厅；娱乐中心，会所
clue n. 线索；（故事等的）情节
patient ['peɪʃ(ə)nt] n.病人
singing 歌唱,歌声 singing stars 歌唱明星 singers n. 歌手（singer的复数）；歌唱家
The lost clues 失去的线索
The paramount Concert Hall 最重要的音乐厅
Tips:
a.m 上午；来自拉丁文，为ante meridiem的缩写
p.m 下午; 来自拉丁文，为post meridiem 的缩写