第1个回答 2014-06-18
Look！Your sister is sitting by the pool.
第2个回答 2014-07-10
your sister is sitting by the swimming pool.
第3个回答 2014-06-12
Look, your sister is sitting at the side of the pool.
第4个回答 2014-06-12
Look, your sister is sitting on the side of the swimming pool.
第5个回答 2014-06-12
我是英语渣 Look,you sister is swimming in the pool.