智慧职教: Both her parents look sad. Maybe they ( ) what had happened to her.
举一反三
- Both his parents look sad. Maybe they __________ what’s happened to him.
- Both his parents look sad . Maybe they _________what's happened to him. A: knew B: haveknown C: willknow
- Both his parents look sad. Maybe they ______what’s happened to him. A: knew B: have known C: must know D: will know
- Both his parents look sad. Maybe they_______ what's happened to him. A: knew B: have known C: know D: will know
- Both his parents look sad . Maybe they _________what's happened to him . A: konw B: must know C: have known D: knew