问题描述：
英语句子:改为同义句
1:How old is your bother?
What's your( ) (
2:His birthday is September 21st.
The ( ) ( )his ( )is September
1:How old is your bother?
What's your( ) (
2:His birthday is September 21st.
The ( ) ( )his ( )is September
问题解答：
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