洋洋：喂！心涛！六点半，起床了！    心涛：才六点半，起这么早干什么！    洋洋：今天开学了！    心涛：啊？我忘了！幸亏有你这个小闹钟，要不我开学第一天就迟到了。 YY: Hey! XT, it's six a.m, get up!
XT: It's only six a.m, why should I get up so early?
YY: School is starting today!
XT: Ah? I forgot! l am lucky I have you for an alarm clock, otherwise I would be late on my first day of school.

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School is starting! You can't sleep in any more. If you are not used to get up early, you'd better set an alarm clock. Lesson Content: YY: Hey! XT, it's six a.m, get up!
XT: It's only six a.m, why should I get up so early?
YY: School is starting today!
XT: Ah? I forgot! l am lucky I have you for an alarm clock, otherwise I would be late on my first day of school.

• otherwise [´ʌðəwaiz]   ad.另外 conj.否则   (初中英语单词)
• summary [´sʌməri]   a.&n.摘要(的)   (英语四级单词)