《When did they come?》PPT
第一部分内容：Warm-up
What day is today?
Yesterday, what did you do?
Yesterday, I went to zoo.
... ... ...
When did they come? PPT，第二部分内容：Listen and answer
1. Did they come for the music competition?
Yes, I did.
2. When did they come?
They came last Wednesday.
... ... ...
When did they come? PPT，第三部分内容：Homework
1. Copy word and key sentences for three times.
2. Make a survey after class:
What did they do last Saturday?
Where did they go?
When did they go?
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