Your sister is too young .You can't leave___by___.(she)

Your sister is too young .You can't leave___by___.(she) My sister is too young.She can't go to school.合并为一句 英语小练习My sister is too young.She can't put on her clothes by My sister is too young.She can't go to school. Lily can't d_____ herself,because she is too young. thanksmy sister is too young.she can'tgo to shool.(合并为一句） l can not leave my sister alone.she is too young的同义句 She is too young.she can't go to school.(同义句)she ____old ___ Your sister is too young.you should look after her_____(good 求解一道句型转换：She is too young .She can't take care of herself.（两 I must b____ my sister ,she is too young. My sister is young .she can't look after herself.合并成一句