There ____ a terrible accident then, ____ three passengers were killed and twenty were injured as well.

Jack, together with his sisters,_____ great interest in writing these days. 

---How old ________ you?---I ______ ten years old.

The population of this city, 30% of which_______, ______ 10% in the last two years. 

---Did you go to the show last night?--- Yeah． Every boy and every girl in the area ____ invited．