—Kathy and her sister are so alike.—I can’t tell one from ____.
The most popular food ______ on menus in western countries is hamburger.
The girl’s years of hard training _______ when she finally won the first prize.
As a father of three children, I need a job ______ so that we can survive.
In China’s countryside, villagers often have the same family name, but _______ not be closely related.
______ makes the school proud is_______ most students have been admitted by the key universities.