资源看点：一个不平常的星期日email message.

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What were you doing when the UFO arrived?
3a.read the e-mail message and number the picture in the correct order.
3b.pairwork. Cover the email message. Look at the pictures and take turns to tell the story.
A : What were people doing when you arrived.
B : While some people were…, I arrived.
4.Groupwork.
what were you doing at these times last sunday ?Fill in the blank.
A:What were you doing at nine o'clock last Sunday morning?
B: I was sleeping . How about you ?