_____ is your office away from here?—Just ten minutes’walk. [ ]

Did you enjoy your holiday in Hangzhou ?— Yes, I had _______ great time.

Could you tell me _________?—You can take the No. 1 bus.

May I have a look at the I-phone,sir—–Which one?_________black one?

___ _the population of China?–_______over 1,300,000,000.