The population of Shenzhen is than that of many other cities in China.
---Is this _______ iPhone 6s?---No, it isn’t. Ask Tom. He’s just lost______________.
Look at ______ boy wearing a brown hat. Is he _________ university student?
— Could you let me know yesterday?— Because the traffic was heavy.
A new library in my college next year.
— Where were you when I called you yesterday afternoon?— I in the cinema.