we finish our primary school when we are 12.(同义句转换) we finis

we graduate our primary school when we are 12
再问： 他是we finish our primary school （中间4个单词） 12.
再答： at the age of
再问： 还有两个 the girl in red is my twin sister。（对in red提问） （ 填两个单词）is yuor twin sister it is time for sports。（同义句转换） it is time （填两个单词）
再答： what colour it;s time for playing sports