He must look after his sister (改为一般疑问句 )
He must look after his sister (改为一般疑问句 )
he has to look after his mother at home改为一般疑问句
He has to babysit his sister改为一般疑问句
He always dose his homgwork after breakfast.(改为一般疑问句)
Mary has to look after her little sister at home (改为一般疑问句)
Alice has to look after her sister today.(改为一般疑问句)
You must look after your sister 改为同义句
You must look after your sister (改为同意句
he has to look afyer his sister every day.一般疑问句和否定句
He has a sister.(改为一般疑问句) --------he-------a sister?
he will go to guangzhou with his sister改为一般疑问句
He must look after his mother at home today .