It is your job to keep the street 是加clean吗,为什么

It is your job to keep the street 是加clean吗,为什么 It is my aunt,s job ( )the park clean . A.keep B.keeps C.to my job is to make the street clean 和my job is making the str My job is to clean the street为什么要用to do而不用doing?具体说明.my favo It is our duty to keep our school clean keep 后不是接动名词吗为什么是cle It's your job to keep the street_____. your job is to do + it's your job to do+your job is doing吗 His job is to clean the steer.这句话中为什么clean前要加to It's hard to keep the house clean with tree kids .为什么不用clean -I say it is your turn to clean the classroom.-_____ 为什么填Min 为什么是keep your room clean而不是keep the room cleaned?cleaned不是也有 My job is_(clean)the street