2005年陕西省九年级英语资料[原创]课件
日期：2010-09-19 09:28
Unit 9When was it
invented?
T: When was
the TV
invented?
S: It was
invented in
1926
T :Who was it
invented by?
S: It was
invented by
Bell
Pair work : make conversations
When was … invented?
I think i，
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