My brother's used to hard work.改为否定句 My brother ( ) hard work .l'm proud to be able to help so many people.改为一般疑问（ ）be able to help so many people?Doctors can cure these cases.改为被动语态these cases（ ）by doctors.B

My brother's used to hard work.改为否定句 My brother _________________ hard work My brother _____ a doctor,but now he's a writer.A.used to be B.used to being C.was used t...My brother _____ a doctor,but now he's a writer.A.used to be B.used to being C.was used to D.was used as my brother and i used to q all the times my litter brother used to walk to school __ ___your litter brother ___ ___go to school My father used to go to school ______ his brother's bike.前说明理由!）A.by B.in C.on D.with my brother used to make me do the homework for him 主动变被动 I used to ____ ____ ____ ____ the homework by my brother I used to play football with my brother 对play football 提问 ---- ----- you use to ----with your brother my brother′s My brother used to be noisy and outgoing.what did your brother ____ ____ ____ ____?改成特殊疑问句, I used to a----with my brother but now we get on well with each other i used to go swimming and —— (钓鱼）with my brother. my little brother used to be afraid of the dark. (改反意疑问句) My younger brother used to c with grangma and she told him a lot interesting My brother rides his bike to the subway s▁. My brother usually s() to run at six Tom's brother used to sleep with the window open为什么open要后置? My brother used to go to work on foot对on foot进行划线部分提问How_your brother_go to work? My brother's used to hard work.改为否定句 My brother ( ) hard work .l'm proud to be able to help so many people.改为一般疑问（ ）be able to help so many people?Doctors can cure these cases.改为被动语态these cases（ ）by doctors.B