为什么my sister often does her homework very 加（carefully）不是（careful）,

My sister often gets back home ____later than we d My sister often clean rooms to help my parents on Sundays .为什么clean不加s My sister often learns English _the Internet.A in B with C by D on My sister often helps Jack (study) English My sister often (study)Japanese on Sundays. 为什么my sister often does her homework very 加（carefully）不是（careful）, My sister often helps my mum (clean)the house. My sister often helps my Mum______(clean)the house. My sister often helps me in my math.修改病句 My sister often gets back home____later than we do.A.much B.little C.a little D.more I like dancing.My sister()likes dancing.We often dance after schoolA .too B.also C.to D.all My sister often gets back home____later than we do.A.much B.little C.a little D.more my sister often watches the carton ____TV ____saturdays A in,on B on,on C on,at D in,in where did you have your supper?- ____答按有A,with my sister B,At my sister C,At my sister home D,At my sister's 我想知道为什么是选D?为什么不是选C? aunt确切意思是什么this is my aunt — （ ) A . my mother‘s biother B. my mother's sister C. my sister's mother D. my mother 为什么 My sister often helps me with my English的同义句是什么?句式为My sister often help me My sister often_English for 20 minutes befor she went to bed?A、reads B、reading C、read D、toread为什么我选A错了,often后面动词不是要加s吗? I often study English with my sister (对my sister提问