His brother often wears a pair of blue jeans.（写出同义句）
问题描述：
His brother often wears a pair of blue jeans.（写出同义句）
His brother _____ often _____ a pair of blue jeans
说明原因
答
is;in为什么，有什么依据吗，我们要写分析in...表示穿着的一种状态