第1个回答 2012-10-19
Please look after your younger sister well .
第2个回答 2012-10-19
please look after your sister carefully 我觉得take good care of 好点
第3个回答 2012-10-19
look after your sister well please
第4个回答 2012-10-19
Please look after your sister.
第5个回答 2012-10-19
please look after your yonger sister.