Fill in the Blanks Have to / don't have to Online version Fill in the blanks by Anyie Hernández 1 has has to to to has to to have to have to have have 1 . You wear your uniform . 2 . She work hard . 3 . They study for the exam . 4 . He clean the house . 5 . I do my homework . 6 . It sleep in the sofa . 7 . We feed our pets .