第1个回答 2011-12-17
My brother is swimming in the swimming pool.
第2个回答 2011-12-17
My brother is in the swiming pool.
第3个回答 2011-12-17
My brother is swimming in the swimming pool.
第4个回答 2011-12-17
My brother is swimming in the pool.
第5个回答 2011-12-17
my brother swimming in the pool